2.7 Table of system of ODEs

Table 2.515: System of differential equations

#

ODE

Solved?

540

[x=2x+yy=6x+3y]
i.c.

576

[x=yy=x]

577

[x=yy=x]

578

[x=2yy=2x]
i.c.

579

[x=10yy=10x]
i.c.

580

[x=y2y=8x]

581

[x=8yy=2x]

582

[x=yy=6xy]
i.c.

583

[x=yy=10x7y]
i.c.

584

[x=yy=13x+4y]
i.c.

585

[x=yy=9x+6y]

586

[10x1=x1+x310x2=x1x210x3=x2x3]

587

[x=x+3yy=2y]

588

[x=x2yy=2x3y]

589

[x=3x+2yy=3x+4y]
i.c.

590

[x=3xyy=5x3y]
i.c.

591

[x=3x4yy=2x+y]

592

[x=x+9yy=2x5y]
i.c.

593

[x=4x+y+2ty=2x+y]

594

[x=2x+yy=x+2ye2t]

595

[x=2x3y+2sin(2t)y=x2ycos(2t)]

596

[x+2y=4x+5y2xy=3x]
i.c.

597

[x+2y=x+3y+et3x4y=x15y+et]

598

[x=x+2y+zy=6xyz=x2yz]

599

[x=x2yy=4x+4y2zz=4y+4z]

600

[x=y+z+ety=x+zz=x+y]

601

[x=3yy=3x]

602

[x=3x2yy=2x+y]

603

[x=2x+4y+3ety=5xyt2]

604

[x=txety+cos(t)y=etx+t2ysin(t)]

605

[x=y+zy=x+zz=x+y]

606

[x=2x3yy=x+y+2zz=5y7z]

607

[x=3x4y+z+ty=x3z+t2z=6y7z+t3]

608

[x=txy+etzy=2x+t2yzz=etx+3ty+t3z]

609

[x1=x2x2=2x3x3=3x4x4=4x1]

610

[x1=x2+x3+1x2=x3+x4+tx3=x1+x4+t2x4=x1+x2+t3]

611

[x1=4x1+2x2x2=3x1x2]

612

[x1=3x1+2x2x2=3x1+4x2]
i.c.

613

[x1=3x1x2x2=5x13x2]
i.c.

614

[x1=4x1+x2x2=2x1+x2]
i.c.

615

[x1=4x13x2x2=6x17x2]
i.c.

616

[x1=3x12x2x2=x1+3x22x3x3=x2+3x3]
i.c.

617

[x1=x2+x3x2=x1+x3x3=x1+x2]
i.c.

618

[x1=x1+2x2+x3x2=6x1x2x3=x12x2x3]
i.c.

619

[x1=8x111x22x3x2=6x1+9x2+2x3x3=6x16x2+x3]
i.c.

620

[x1=x14x22x4x2=x2x3=6x112x2x36x4x4=4x2x4]
i.c.

621

[x1=x1+2x2x2=2x1+x2]

622

[x1=2x1+3x2x2=2x1+x2]

623

[x1=3x1+4x2x2=3x1+2x2]
i.c.

624

[x1=4x1+x2x2=6x1x2]

625

[x1=6x17x2x2=x12x2]

626

[x1=9x1+5x2x2=6x12x2]
i.c.

627

[x1=3x1+4x2x2=6x15x2]

628

[x1=x15x2x2=x1x2]

629

[x1=2x15x2x2=4x12x2]
i.c.

630

[x1=3x12x2x2=9x1+3x2]

631

[x1=x12x2x2=2x1+x2]
i.c.

632

[x1=x15x2x2=x1+3x2]

633

[x1=5x19x2x2=2x1x2]

634

[x1=3x14x2x2=4x1+3x2]

635

[x1=7x15x2x2=4x1+3x2]

636

[x1=50x1+20x2x2=100x160x2]

637

[x1=4x1+x2+4x3x2=x1+7x2+x3x3=4x1+x2+4x3]

638

[x1=x1+2x2+2x3x2=2x1+7x2+x3x3=2x1+x2+7x3]

639

[x1=4x1+x2+x3x2=x1+4x2+x3x3=x1+x2+4x3]

640

[x1=5x1+x2+3x3x2=x1+7x2+x3x3=3x1+x2+5x3]

641

[x1=5x16x3x2=2x1x22x3x3=4x12x24x3]

642

[x1=3x1+2x2+2x3x2=5x14x22x3x3=5x1+5x2+3x3]

643

[x1=3x1+x2+x3x2=5x13x2x3x3=5x1+5x2+3x3]

644

[x1=2x1+x2x3x2=4x13x2x3x3=4x1+4x2+2x3]

645

[x1=5x1+5x2+2x3x2=6x16x25x3x3=6x1+6x2+5x3]

646

[x1=3x1+x3x2=9x1x2+2x3x3=9x1+4x2x3]
i.c.

647

[x1=x1x2=2x1+2x2x3=3x2+3x3x4=4x3+4x4]

648

[x1=2x1+9x4x2=4x1+2x210x4x3=x3+8x4x4=x4]

649

[x1=2x1x2=21x15x227x39x4x3=5x3x4=21x32x4]

650

[x1=4x1+x2+x3+7x4x2=x1+4x2+10x3+x4x3=x1+10x2+4x3+x4x4=7x1+x2+x3+4x4]
i.c.

922

[x=3yy=3x]

923

[x=3x2yy=2x+y]

924

[x=2x+4y+3ety=5xyt2]

925

[x=y+zy=x+zz=x+y]

926

[x1=x2x2=2x3x3=3x4x4=4x1]

927

[x1=x2+x3+1x2=x3+x4+tx3=x1+x4+t2x4=x1+x2+t3]

963

[x1=6x1x2=3x1x2]

964

[x1=3x1+2x2x2=3x1+4x2]

965

[x1=x1+2x2x2=2x1+x2]

966

[x1=2x1+3x2x2=2x1+x2]

967

[x1=3x1+4x2x2=3x1+2x2]
i.c.

968

[x1=4x1+x2x2=6x1x2]

969

[x1=6x17x2x2=x12x2]

970

[x1=9x1+5x2x2=6x12x2]
i.c.

971

[x1=3x1+4x2x2=6x15x2]

972

[x1=x15x2x2=x1x2]

973

[x1=2x15x2x2=4x12x2]
i.c.

974

[x1=3x12x2x2=9x1+3x2]

975

[x1=x12x2x2=2x1+x2]
i.c.

976

[x1=x15x2x2=x1+3x2]

977

[x1=5x19x2x2=2x1x2]

978

[x1=3x14x2x2=4x1+3x2]

979

[x1=7x15x2x2=4x1+3x2]

980

[x1=50x1+20x2x2=100x160x2]

981

[x1=4x1+x2+4x3x2=x1+7x2+x3x3=4x1+x2+4x3]

982

[x1=x1+2x2+2x3x2=2x1+7x2+x3x3=2x1+x2+7x3]

983

[x1=4x1+x2+x3x2=x1+4x2+x3x3=x1+x2+4x3]

984

[x1=5x1+x2+3x3x2=x1+7x2+x3x3=3x1+x2+5x3]

985

[x1=5x16x3x2=2x1x22x3x3=4x12x24x3]

986

[x1=3x1+2x2+2x3x2=5x14x22x3x3=5x1+5x2+3x3]

987

[x1=3x1+x2+x3x2=5x13x2x3x3=5x1+5x2+3x3]

988

[x1=2x1+x2x3x2=4x13x2x3x3=4x1+4x2+2x3]

989

[x1=5x1+5x2+2x3x2=6x16x25x3x3=6x1+6x2+5x3]

990

[x1=3x1+x3x2=9x1x2+2x3x3=9x1+4x2x3]
i.c.

991

[x1=x1x2=2x1+2x2x3=3x2+3x3x4=4x3+4x4]

992

[x1=2x1+9x4x2=4x1+2x210x4x3=x3+8x4x4=x4]

993

[x1=2x1x2=21x15x227x39x4x3=5x3x4=21x32x4]

994

[x1=4x1+x2+x3+7x4x2=x1+4x2+10x3+x4x3=x1+10x2+4x3+x4x4=7x1+x2+x3+4x4]
i.c.

995

[x1=40x112x2+54x3x2=35x1+13x246x3x3=25x17x2+34x3]

996

[x1=20x1+11x2+13x3x2=12x1x27x3x3=48x1+21x2+31x3]

997

[x1=147x1+23x2202x3x2=90x19x2+129x3x3=90x1+15x2123x3]

998

[x1=9x17x25x3x2=12x1+7x2+11x3+9x4x3=24x117x219x39x4x4=18x1+13x2+17x3+9x4]

999

[x1=13x142x2+106x3+139x4x2=2x116x2+52x3+70x4x3=x1+6x220x331x4x4=x16x2+22x3+33x4]

1000

[x1=23x118x216x3x2=8x1+6x2+7x3+9x4x3=34x127x226x39x4x4=26x1+21x2+25x3+12x4]

1001

[x1=47x18x2+5x35x4x2=10x1+32x2+18x32x4x3=139x140x2167x3121x4x4=232x1+64x2+360x3+248x4]

1002

[x1=139x114x252x314x4+28x5x2=22x1+5x2+7x3+8x47x5x3=370x138x2139x338x4+76x5x4=152x116x259x313x4+35x5x5=95x110x238x37x4+23x5]

1003

[x1=9x1+13x213x6x2=14x1+19x210x320x4+10x5+4x6x3=30x1+12x27x330x4+12x5+18x6x4=12x1+10x210x39x4+10x5+2x6x5=6x1+9x2+6x4+5x515x6x6=14x1+23x210x320x4+10x5]

1004

[x1=9x1+4x2x2=6x1x2x3=6x1+4x2+3x3]

1005

[x1=x13x2x2=3x1+7x2]

1006

[x1=x2+2x3x2=5x13x27x3x3=x1]

1007

[x1=x3x2=x4x3=2x1+2x23x3+x4x4=2x12x2+x33x4]

1008

[x1=2x1+x2x2=x14x2]

1009

[x1=3x1x2x2=x1+x2]

1010

[x1=x12x2x2=2x1+5x2]

1011

[x1=3x1x2x2=x1+5x2]

1012

[x1=7x1+x2x2=4x1+3x2]

1013

[x1=x14x2x2=4x1+9x2]

1014

[x1=2x1x2=7x1+9x2+7x3x3=2x3]

1015

[x1=25x1+12x2x2=18x15x2x3=6x1+6x2+13x3]

1016

[x1=19x1+12x2+84x3x2=5x2x3=8x1+4x2+33x3]

1017

[x1=13x1+40x248x3x2=8x1+23x224x3x3=3x3]

1018

[x1=3x14x3x2=x1x2x3x3=x1+x3]

1019

[x1=x1+x3x2=x2+x3x3=x1x2x3]

1020

[x1=x1+x3x2=x24x3x3=x23x3]

1021

[x1=x3x2=5x1x25x3x3=4x1+x22x3]

1022

[x1=2x19x2x2=x1+4x2x3=x1+3x2+x3]

1023

[x1=x1x2=2x12x23x3x3=2x1+3x2+4x3]

1024

[x1=x1x2=18x1+7x2+4x3x3=27x19x25x3]

1025

[x1=x1x2=x1+3x2+x3x3=2x14x2x3]

1026

[x1=x14x22x4x2=x2x3=6x112x2x36x4x4=4x2x4]

1027

[x1=2x1+x2+x4x2=2x2+x3x3=2x3+x4x4=2x4]

1028

[x1=x14x2x2=x1+3x2x3=x1+2x2+x3x4=x2+x4]

1029

[x1=x1+3x2+7x3x2=x24x3x3=x2+3x3x4=6x214x3+x4]

1030

[x1=39x1+8x216x3x2=36x15x2+16x3x3=72x1+16x229x3]

1031

[x1=28x1+50x2+100x3x2=15x1+33x2+60x3x3=15x130x257x3]

1032

[x1=2x1+17x2+4x3x2=x1+6x2+x3x3=x2+2x3]

1033

[x1=5x1x2+x3x2=x1+3x2x3=3x1+2x2+x3]

1034

[x1=3x1+5x25x3x2=3x1x2+3x3x3=8x18x2+10x3]

1035

[x1=15x17x2+4x3x2=34x1+16x211x3x3=17x1+7x2+5x3]

1036

[x1=x1+x2+x32x4x2=7x14x26x3+11x4x3=5x1x2+x3+3x4x4=6x12x22x3+6x4]

1037

[x1=2x1+x22x3+x4x2=3x25x3+3x4x3=13x2+22x312x4x4=27x2+45x325x4]

1038

[x1=35x112x2+4x3+30x4x2=22x18x2+3x3+19x4x3=10x1+3x29x4x4=27x1+9x23x323x4]

1039

[x1=11x1x2+26x3+6x43x5x2=3x2x3=9x124x36x4+3x5x4=3x1+9x3+5x4x5x5=48x13x2138x330x4+18x5]

1040

[x1=3x14x2+x3x2=4x1+3x2+x4x3=3x34x4x4=4x3+3x4]

1041

[x1=2x18x33x4x2=18x1x2x3=9x13x225x39x4x4=33x1+10x2+90x3+32x4]

1400

[x1=x110+3x240x2=x110x25]
i.c.

1401

[x1=3x12x2x2=4x1x2]

1402

[x1=x14x2x2=x1x2]

1403

[x1=2x15x2x2=x12x2]

1404

[x1=2x15x22x2=9x15x2]

1405

[x1=x1x2x2=5x13x2]

1406

[x1=x1+2x2x2=5x1x2]

1407

[x1=x1x2=2x1+x22x3x3=3x1+2x2+x3]

1408

[x1=3x1+2x3x2=x1x2x3=2x1x2]

1409

[x1=x15x2x2=x13x2]
i.c.

1410

[x1=3x1+2x2x2=x1x2]
i.c.

1411

[x1=3x142x2x2=x15x24]

1412

[x1=4x15+2x2x2=x1+6x25]

1413

[x1=x14+x2x2=x1x24x3=x34]

1414

[x1=x14+x2x2=x1x24x3=x310]

1415

[x1=x12x28x2=2x1x22]

1416

[x1=3x14x2x2=x1x2]

1417

[x1=4x12x2x2=8x14x2]

1418

[x1=3x12+x2x2=x14x22]

1419

[x1=3x1+5x22x2=5x12+2x2]

1420

[x1=x1+x2+x3x2=2x1+x2x3x3=x2+x3]

1421

[x1=x2+x3x2=x1+x3x3=x1+x2]

1422

[x1=x14x2x2=4x17x2]
i.c.

1423

[x1=5x12+3x22x2=3x12+x22]
i.c.

1424

[x1=2x1+3x22x2=3x12x2]
i.c.

1425

[x1=3x1+9x2x2=x13x2]
i.c.

1426

[x1=x1x2=4x1+x2x3=3x1+6x2+2x3]
i.c.

1427

[x1=5x12+x2+x3x2=x15x22+x3x3=x1+x25x32]
i.c.

1428

[x1=2x1x2+etx2=3x12x2+t]

1429

[x1=x1+3x2+etx2=3x1x2+3et]

1430

[x1=2x15x2cos(t)x2=x12x2+sin(t)]

1431

[x1=x1+x2+e2tx2=4x12x22et]

1432

[x1=4x12x2+1t3x2=8x14x21t2]

1433

[x1=4x1+2x2+1tx2=2x1x2+2t+4]

1434

[x1=x1+x2+2etx2=4x1+x2et]

1435

[x1=2x1x2+etx2=3x12x2et]

1436

[x1=5x14+3x24+2tx2=3x145x24+et]

1437

[x1=3x1+2x2+etx2=2x12x2et]

1438

[x1=2x15x2x2=x12x2+cos(t)]

1439

[x1=2x15x2+csc(t)x2=x12x2+sec(t)]

1440

[x1=x12x28+et22x2=2x1x22]

1441

[x1=2x1+x2+2etx2=x12x2+3t]
i.c.

1442

[x1=3x12x2x2=2x12x2]

1443

[x1=5x1x2x2=3x1+x2]

1444

[x1=2x1x2x2=3x12x2]

1445

[x1=x14x2x2=4x17x2]

1446

[x1=x15x2x2=x13x2]

1447

[x1=2x15x2x2=x12x2]

1448

[x1=3x12x2x2=4x1x2]

1449

[x1=x1x2x2=5x22]

1450

[x1=3x14x2x2=x1x2]

1451

[x1=x1+2x2x2=5x1]

1452

[x1=x1x2=x2]

1453

[x1=2x15x22x2=9x15x2]

1454

[x1=x1+x22x2=x1x2]

1455

[x1=2x1+x22x2=x12x2+1]

1456

[x1=x1x21x2=2x1x2+5]

1457

[x=xy=2y]
i.c.

1458

[x=xy=2y]
i.c.

1459

[x=xy=2y]
i.c.

1460

[x=yy=x]
i.c.

1461

[x=yy=x]
i.c.

2239

[y1=y1+2y2y2=2y1+y2]

2240

[y1=5y14+3y24y2=3y145y24]

2241

[y1=4y15+3y25y2=2y1511y25]

2242

[y1=y14y2y2=y1y2]

2243

[y1=2y14y2y2=y1y2]

2244

[y1=4y13y2y2=2y1y2]

2245

[y1=6y13y2y2=y12y2]

2246

[y1=y1y22y3y2=y12y23y3y3=4y1+y2y3]

2247

[y1=6y14y28y3y2=4y14y3y3=8y14y26y3]

2248

[y1=3y1+5y2+8y3y2=y1y22y3y3=y1y2y3]

2249

[y1=y1y2+2y3y2=12y14y2+10y3y3=6y1+y27y3]

2250

[y1=4y1y24y3y2=4y13y22y3y3=y1y2y3]

2251

[y1=2y1+2y26y3y2=2y1+6y2+2y3y3=2y12y2+2y3]

2252

[y1=3y1+2y22y3y2=2y1+7y22y3y3=10y1+10y25y3]

2253

[y1=3y1+y2y3y2=3y1+5y2+y3y3=6y1+2y2+4y3]

2254

[y1=3y1+4y2y2=y1+7y2]

2255

[y1=y2y2=y12y2]

2256

[y1=7y1+4y2y2=y111y2]

2257

[y1=3y1+y2y2=y1+y2]

2258

[y1=4y1+12y2y2=3y18y2]

2259

[y1=10y1+9y2y2=4y1+2y2]

2260

[y1=13y1+16y2y2=9y1+11y2]

2261

[y1=2y2+y3y2=4y1+6y2+y3y3=4y2+2y3]

2262

[y1=y13+y23y3y2=4y134y23+y3y3=2y13+y23]

2263

[y1=y1+y2y3y2=2y1+2y3y3=y1+3y2y3]

2264

[y1=4y12y22y3y2=2y1+3y2y3y3=2y1y2+3y3]

2265

[y1=6y15y2+3y3y2=2y1y2+3y3y3=2y1+y2+y3]

2266

[y1=11y1+8y2y2=2y13y2]
i.c.

2267

[y1=15y19y2y2=16y19y2]
i.c.

2268

[y1=3y14y2y2=y17y2]
i.c.

2269

[y1=7y1+24y2y2=6y1+17y2]
i.c.

2270

[y1=7y1+3y2y2=3y1y2]
i.c.

2271

[y1=y1+y2y2=y1y22y3y3=y1y2y3]
i.c.

2272

[y1=2y1+2y2+y3y2=2y1+2y2+y3y3=3y1+3y2+2y3]
i.c.

2273

[y1=7y14y2+4y3y2=y1+y3y3=9y15y2+6y3]
i.c.

2274

[y1=y14y2y3y2=3y1+6y2+y3y3=3y12y2+3y3]
i.c.

2275

[y1=4y18y24y3y2=3y1y24y3y3=y1y2+9y3]
i.c.

2276

[y1=5y1y2+11y3y2=7y1+y2+13y3y3=4y1+8y3]
i.c.

2277

[y1=5y1y2+y3y2=y1+9y23y3y3=2y1+2y2+4y3]

2278

[y1=y1+10y212y3y2=2y1+2y2+3y3y3=2y1y2+6y3]

2279

[y1=6y14y24y3y2=2y1y2+y3y3=2y1+3y2+y3]

2280

[y1=2y22y3y2=y1+5y23y3y3=y1+y2+y3]

2281

[y1=2y112y2+10y3y2=2y124y2+11y3y3=2y124y2+8y3]

2282

[y1=y112y2+8y3y2=y19y2+4y3y3=y16y2+y3]

2283

[y1=4y1y3y2=y13y2y3y3=y12y3]

2284

[y1=3y13y2+4y3y2=4y1+5y28y3y3=2y1+3y25y3]

2285

[y1=3y1y2y2=y1y2y3=y1y22y3]

2286

[y1=y1+2y2y2=5y1+5y2]

2287

[y1=11y1+4y2y2=26y1+9y2]

2288

[y1=y1+2y2y2=4y1+5y2]

2289

[y1=5y16y2y2=3y1y2]

2290

[y1=3y13y2+y3y2=2y2+2y3y3=5y1+y2+y3]

2291

[y1=3y1+3y2+y3y2=y15y23y3y3=3y1+7y2+3y3]

2292

[y1=2y1+y2y3y2=y2+y3y3=y1+y3]

2293

[y1=3y1+y23y3y2=4y1y2+2y3y3=4y12y2+3y3]

2698

[x=6x3yy=2x+y]

2699

[x=2x+y+ty=4x+3y1]

2700

[x=6x3yy=2x+y]

2701

[x=x+y+ety=xyet]

2702

[x=x+yy=4x+y]
i.c.

2703

[x=x3yy=2x+2y]
i.c.

2704

[x=xyy=5x3y]
i.c.

2705

[x=3x2yy=4xy]
i.c.

2706

[x=4x+5y+4etcos(t)y=2x2y]
i.c.

2707

[x=3x4y+ety=xy+et]
i.c.

2708

[x=2x5y+sin(t)y=x2y+tan(t)]
i.c.

2709

[x=y+f_1(t)y=x+f2(t)]
i.c.

2728

[x1=6x13x2x2=2x1+x2]

2729

[x1=2x1+x2x2=4x1+3x2]

2730

[x1=3x1+2x2+4x3x2=2x1+2x3x3=4x1+2x2+3x3]

2731

[x1=7x1x2+6x3x2=10x1+4x212x3x3=2x1+x2x3]

2732

[x1=7x1+6x3x2=5x2x3=6x1+2x3]

2733

[x1=x1+2x2+3x3+6x4x2=3x1+6x2+9x3+18x4x3=5x1+10x2+15x3+30x4x4=7x1+14x2+21x3+42x4]

2734

[x1=x1+x2x2=4x1+x2]
i.c.

2735

[x1=x13x2x2=2x1+2x2]
i.c.

2736

[x1=3x1+x2x3x2=x1+3x2x3x3=3x1+3x2x3]
i.c.

2737

[x1=x1x2x2=x1+2x2+x3x3=x1+10x2+2x3]
i.c.

2738

[x1=x13x2+2x3x2=x2x3=x22x3]
i.c.

2739

[x1=3x1+x22x3x2=x1+2x2+x3x3=4x1+x23x3]
i.c.

2740

[x1=3x1+2x2x2=x1x2]

2741

[x1=x15x2x2=x13x2x3=x3]

2742

[x1=x1x2=3x1+x22x3x3=2x1+2x2+x3]

2743

[x1=x1+x3x2=x2x3x3=2x1x3]

2744

[x1=x1x2x2=5x13x2]
i.c.

2745

[x1=3x12x2x2=4x1x2]
i.c.

2746

[x1=3x1+2x3x2=x1x2x3=2x1x2]
i.c.

2747

[x1=2x2x2=2x1x3=3x4x4=3x3]
i.c.

2748

[x1=x1+x2x2=x2x3=2x3]

2749

[x1=2x1+x2+3x3x2=2x2x3x3=2x3]
i.c.

2750

[x1=x2+x3x2=2x13x2+x3x3=x1x2x3]

2751

[x1=x1+x2+x3x2=2x1+x2x3x3=3x1+2x2+4x3]

2752

[x1=x1x2x2=x2x3=2x3]

2753

[x1=2x1x3x2=2x2+x3x3=2x3x4=x3+2x4]

2754

[x1=x1+x2+2x3x2=x1+x2+x3x3=2x1+x2+3x3]
i.c.

2755

[x1=4x14x2x2=10x1+9x2+x3x3=4x13x2+x3]
i.c.

2756

[x1=x1+2x23x3x2=x1+x2+2x3x3=x1x2+4x3]
i.c.

2757

[x1=3x1x2=x1+3x2x3=3x3x4=2x3+3x4]
i.c.

2758

[x1=x1x2=2x1+x22x3x3=3x1+2x2+x3+etcos(2t)]

2759

[x1=x1+ectx2=2x1+x22x3x3=3x1+2x2+x3]

2760

[x1=4x1+5x2+4etcos(t)x2=2x12x2]
i.c.

2761

[x1=3x14x2+etx2=x1x2+et]
i.c.

2762

[x1=2x15x2+sin(t)x2=x12x2+tan(t)]
i.c.

2763

[x1=x2+f1(t)x2=x1+f2(t)]
i.c.

2764

[x1=2x1+x3+e2tx2=2x2x3=x2+3x3+e2t]
i.c.

2765

[x1=x1x22x3+etx2=x1+x2+x3x3=2x1+x2+3x3]
i.c.

2766

[x1=2x1+x2+e3tx2=3x12x2+e3t]

2767

[x1=x1x2t2x2=x1+3x2+2t]

2768

[x1=x1+3x2+2x3+sin(t)x2=x1+2x2+x3x3=4x1x2x3]

2769

[x1=x1+2x23x3+etx2=x1+x2+2x3x3=x1x2+4x3et]

2770

[x1=x1x2+1x2=4x2x3+tx3=5x2+et]

2771

[x1=x1+x2x3+e2tx2=2x1+3x24x3+2e2tx3=4x1+x24x3+e2t]

2772

[x1=x1x2x3+e3tx2=x1+3x2+x3e3tx3=3x1+x2x3e3t]

2773

[x1=3x1+2x2+4x3+2e8tx2=2x1+2x3+e8tx3=4x1+2x2+3x3+2e8t]

2774

[x1=x13x2x2=2x1+2x2]
i.c.

2775

[x1=x1x2x2=5x13x2]
i.c.

2776

[x1=3x12x2+tx2=2x12x2+3et]
i.c.

2777

[x1=x1+x2+2etx2=4x1+x2et]
i.c.

2778

[x1=3x14x2+etx2=x1x2+et]
i.c.

2779

[x1=2x15x2+sin(t)x2=x12x2+tan(t)]
i.c.

2780

[x1=4x1+5x2+4etcos(t)x2=2x12x2]
i.c.

2781

[x1=x2+f1(t)x2=x1+f2(t)]
i.c.

2782

[x1=2x12x2x2=4x12x2+δ(tπ)]
i.c.

2783

[x1=3x12x2+1Heaviside(tπ)x2=2x12x2]
i.c.

2784

[x1=x1+2x23x3x2=x1+x2+2x3x3=x1x2+4x3]
i.c.

2785

[x1=2x1+x3+e2tx2=2x2x3=3x3+e2t]
i.c.

2786

[x1=x1x2+2x3+etx2=x1+x2+x3x3=2x1+x2+3x3]
i.c.

2787

[x1=x1x2=2x1+x22x3x3=3x1+2x2+x3+etcos(2t)]
i.c.

2788

[x1=3x1x2=x1+3x2x3=3x3x4=2x3+3x4]
i.c.

2789

[x=xx22xyy=2y2y23xy]

2790

[x=bxy+my=bxygy]

2791

[x=axbxyy=cy+dxyz=z+x2+y2]

2792

[x=xxy2y=yyx2z=1z+x2]

2793

[x=xy2xy=xsin(πy)]

2794

[x=cos(y)y=sin(x)1]

2795

[x=1yexy=x2+y(ex1)z=x+sin(z)]

2796

[x=xy2y=x2yz=ezx]

2797

[x=xyy=2xy]
i.c.

2798

[x=x+y+z2ety=2x+yz2etz=3x+2y+4z+3et]
i.c.

2799

[x=x+yy=2x2y]

2800

[x=3x4yy=2x+y]

2801

[x=5x+3yy=yx]

2802

[x=x4yy=4x7y]

2803

[x=7x+y6zy=10x4y+12zz=2xy+z]

2804

[x=3x+2y+4zy=2x+2zz=4x+2y+3z]

2805

[x=2y+zy=x3yzz=x+yz]

2806

[x=2x+y+zy=3x+2y+3zz=xy2z]

2807

[x=2yy=2xz=2hh=2z]

2808

[x=2y+zy=2x+hz=2hh=2z]

2812

[x1=x2x2=(x12+x12+4x22)x12]

2813

[x1=x1x2+1x2=2x1x2+5]

2814

[x=xx3xyy=2yy5yx4]

2815

[x=x2+y2+1y=x2y2]

2816

[x=x2+y21y=2xy]

2817

[x=6x6x22xyy=4y4y22xy]

2818

[x=tan(x+y)y=x+x3]

2819

[x=eyxy=ex+y]

2825

[x1=5x1+x2x2=x15x2]

2826

[x1=x2x2=8x16x2]

2827

[x1=4x1x2x2=2x1+5x2]

2828

[x1=4x1x2x2=x16x2]

2829

[x1=x14x2x2=8x1+4x2]

2830

[x1=3x1x2x2=5x13x2]

2831

[x1=2x2x2=2x1x2]

2832

[x1=x1x2x2=5x13x2]

2833

[x1=2x1+x2x2=5x12x2]

2834

[x1=4x2x2=9x1]

3237

[xx=cos(t)y+y=4t]

3238

[x+5x=3t2y+y=e3t]

3239

[x+2x=3tx+2y+y=cos(2t)]

3240

[xx+y=2sin(t)x+y=3y3x]

3241

[2x+3xy=et5x3y=y+2t]

3242

[5y3x5y=5t3x5y2x=0]

3243

[x=3xy=2x+3yz=3y2z]

3810

[x1=2x1+x2x2=2x1+3x2]

3811

[x1=2x13x2x2=x12x2]

3812

[x1=4x1+2x2x2=x2x1]

3813

[x1=2x1+4x2x2=4x16x2]

3814

[x1=2x2x2=2x1]

3815

[x1=x13x2x2=3x1+x2]

3816

[x1=2x1x2=x2x3x3=x2+x3]

3817

[x1=2x1+x2+x3x2=x1x2+3x3x3=x23x3]

3818

[x1=2x2x2=x1+x2]
i.c.

3819

[x1=2x1+5x2x2=x12x2]
i.c.

3820

[x1=2x1+x2x2=x1+4x2]
i.c.

3821

[x1=x1+2x2+5e4tx2=2x1+x2]

3822

[x1=2x1+x2+tx2=2x1+x2+1]

3823

[x1=x1+x2+e2tx2=3x1x2+5e2t]

3824

[x1=tan(t)x1+3cos(t)2x2=x1+tan(t)x2+2sin(t)]
i.c.

3825

[x1=2x14x2x2=x13x2]

3826

[x1=x2x2=bx1ax2]

3827

[x1=3x2x2=3x1]

3828

[x1=2x1+3x2x2=2x1+5x2]
i.c.

3829

[x1=x12x2x2=2x1+x2]

3830

[x1=3x1+x2x2=x2x1]

3831

[x1=2x1x2+3x3x2=3x1+x2x3=2x1x2+3x3]

3832

[x1=x1tx2=x2]

3833

[x1=x1t+tx2x2=x1t]

3834

[x1=x1+2x2x2=2x1+2x2]

3835

[x1=2x17x2x2=x1+4x2]

3836

[x1=4x2x2=4x1]

3837

[x1=x12x2x2=5x15x2]

3838

[x1=x1+2x2x2=2x1x2]

3839

[x1=2x1x2=5x27x3x3=2x24x3]

3840

[x1=x1x2=x1+5x2x3x3=x1+6x22x3]

3841

[x1=x2x2=x1x3=5x3]

3842

[x1=2x1+3x3x2=4x2x3=3x1+2x3]

3843

[x1=3x1+2x2+6x3x2=2x1+x22x3x3=x12x24x3]

3844

[x1=3x2+x3x2=2x1x2+x3x3=2x3]

3845

[x1=3x1x3x2=3x2x3x3=2x2x3]

3846

[x1=x1+x2x3x2=x1+x2+x3x3=x1+x2+x3]

3847

[x1=2x1x2+3x3x2=2x1x2+3x3x3=2x1x2+3x3]

3848

[x1=x1+2x2+3x3+4x4x2=4x1+3x2+2x3+x4x3=4x1+5x2+6x3+7x4x4=7x1+6x2+5x3+4x4]

3849

[x1=x2x2=x1x3=x4x4=x3]

3850

[x1=x1+4x2x2=2x13x2]
i.c.

3851

[x1=x16x2x2=3x1+5x2]
i.c.

3852

[x1=2x1x2+3x3x2=3x1+x2x3=2x1x2+3x3]
i.c.

3853

[x1=4x2x2=4x1]
i.c.

3854

[x1=x2x2=bx1ax2]

3855

[x1=x1+x2x2=x1+3x2]

3856

[x1=2x2x2=2x1+4x2]

3857

[x1=3x12x2x2=2x1+x2]

3858

[x1=x2x2=x3x3=x1+x2x3]

3859

[x1=2x1+2x2x3x2=2x1+x2x3x3=2x1+3x2x3]

3860

[x1=2x1x2=x13x2x3x3=x1+x2x3]

3861

[x1=15x132x2+12x3x2=8x117x2+6x3x3=x3]

3862

[x1=4x1x2=x1+4x2x3=x2+4x3]

3863

[x1=x1x2=3x2+2x3x3=2x12x2x3]

3864

[x1=3x1+x2x2=x1+5x2x3=4x3]

3865

[x1=x2x1x2=2x13x2+x3x3=x1+x22x3]

3866

[x1=x2x2=x1x3=x1+2x3+x4x4=x2+2x4]

3867

[x1=2x1+3x2x2=3x12x2x3=x1+x3+x4x4=x2+x4]

3868

[x1=x2x2=x1x3=x1x4x4=x2+x3]

3869

[x1=2x1x2x2=x14x2]
i.c.

3870

[x1=2x1x2+4x3x2=x2x3=x13x2+2x3]
i.c.

3871

[x1=4x13x2+e2tx2=2x1x2+et]

3872

[x1=2x1x2x2=x1+2x2+4et]

3873

[x1=3x1+x2+te3tx2=3x2+e3t]

3874

[x1=x1+x2+20e3tx2=3x1+x2+12et]

3875

[x1=x1+2x2+54te3tx2=2x1+4x2+9e3t]

3876

[x1=2x1+4x2+8sin(2t)x2=2x12x2+8cos(2t)]

3877

[x1=3x1+2x23etx2=2x1x2+6tet]

3878

[x1=x1etx2=2x13x2+2x3+6etx3=x12x2+2x3+et]

3879

[x1=x12x2+2x3e3tx2=2x1+4x2x3+4e3tx3=3x3+3e3t]

3880

[x1=2x13x2+34sin(t)x2=4x12x2+17cos(t)]

3881

[x1=2x1+x2x2=2x2]

3882

[x1=x1+2x2x2=x2]

3883

[x1=3x1x2=3x2x3x3=x2+x3]

3884

[x1=3x12x2x2=2x1+x2]

3885

[x1=3x1x2x2=4x1x2]

3886

[x1=2x1x2=x28x3x3=2x27x3]

3887

[x1=x2+3x3x2=2x1+3x22x3x3=2x2+2x3]

3888

[x1=8x1+6x23x3x2=12x1+10x23x3x3=2x3]

3889

[x1=x1x2=6x27x3+3x4x3=3x3x4x4=4x2+9x33x4]

3890

[x1=x2x2=x1x3=x2x4x4=x2+x3]

3891

[x1=(1+2t)x1x2=et2+tx1+x2]

3892

[x1=tcot(t2)x1+tcos(t2)x32x2=x2tx3+2tsin(t)x3=csc(t2)x1+x2x3+1tcos(t)]

3893

[x1=6x1+x2x2=6x15x2]

3894

[x1=9x12x2x2=5x12x2]

3895

[x1=10x14x2x2=4x1+2x2]

3896

[x1=8x1+5x2x2=5x1+2x2]

3897

[x1=3x1+4x3x2=2x2x3=4x15x3]

3898

[x1=3x1x2x2=4x17x2x3=6x1+6x2+4x3]

3899

[x1=3x1+13x2x2=x13x2]

3900

[x1=3x110x2x2=5x1+11x2]

3901

[x1=x15x2+x3x2=4x19x2x3x3=3x3]

3902

[x1=4x1x2=2x1+5x29x3x3=5x2x3]

3903

[x1=2x12x2+x3x2=x14x2+x3x3=2x1+2x23x3]

3904

[x1=2x14x2+3x3x2=9x13x29x3x3=4x1+4x2+3x3]

3905

[x1=17x142x3x2=7x1+4x214x3x3=7x1+18x3]

3906

[x1=16x1+30x218x3x2=8x1+8x2+16x3x3=8x115x2+9x3]

3907

[x1=7x16x27x3x2=3x13x23x3x3=7x1+6x2+7x3]

3908

[x1=3x1x22x3x2=x1+6x2+x3x3=x1+6x3]

3909

[x1=x14x22x3x2=4x15x26x3x3=4x1+8x2+7x3]

3910

[x1=7x12x2+2x3x2=4x2x3x3=x1+x2+4x3]

3911

[x1=3x1x22x3x2=x1+x3x3=x1]

3912

[x1=2x1x3x2=x2x3=x1]

3913

[x1=2x1+13x2x2=x12x2x3=2x3+4x4x4=2x4]

3914

[x1=7x1x4x2=6x2x3=x3x4=2x1+5x4]

3915

[x1=6x1+x2+1x2=6x15x2+et]

3916

[x1=9x12x2+9tx2=5x12x2]

3917

[x1=10x14x2x2=4x1+2x2+e6tt]

3918

[x1=2x14x2+3x3+e6tx2=9x13x29x3+1x3=4x1+4x2+3x3]

3919

[x1=2x12x2+x3+tx2=x14x2+x3x3=2x1+2x23x3+1]

3920

[x1=3x1+4x2x2=8x1+x2]

3921

[x1=6x2x2=x15x2]

3922

[x1=5x1+9x2x2=2x1x2]

3923

[x1=4x1x2=4x2]

3924

[x1=7x12x2x2=x1+4x2]

3925

[x1=3x15x2x2=x17x2]

3926

[x1=2x1x2x2=x14x2]

3927

[x1=10x18x2x2=2x1+2x2]

4166

[y1=y2y2=3y22y1]

4167

[y1=y1+y2y2=3y2y1]

4168

[y1=y1y2y2=2y1+3y2]

4169

[y1=4y2y2=4y2y1]

4170

[y1=y1+y2y2=y1y2]

4171

[y1=y2y2=y1]

4172

[y1=y2y1y2=3y14y2]

4173

[2y1=y1+y22y2=5y23y1]
i.c.

4174

[y1=2y2y2=y1+2y2]
i.c.

4175

[y1=1y2=2y1]

4176

[2y1+y24y1y2=exy1+3y1+y2=0]

4177

[y1=y2y2=y1+y3y3=y2]

4533

[x+2xy=0x+y2y=0]

4534

[2x+x5y4y=0y2x+y=0]

4535

[xx+3y=03xy+y=0]

4536

[x+x+y2y=0x+xy=0]

4537

[x3x4y=0x+y+y=0]

4538

[y1y2=04y1+y24y22y3=02y1+y2+y3+y3=0]

4539

[y12y1+3y23y3=04y1+y2+5y23y3=04y1+4y2+y32y3=0]

4540

[x+x+2y=82x+y2y=2et8]

4541

[x=2x3y+tety=2x3y+et]

4542

[xx2y=et4x+y3y=1]

4543

[x4x+3y=sin(t)2x+y+y=2cos(t)]

4544

[xy=0x+y=et+et]

4545

[x+2x+5y=0x+y2y=sin(2t)]

4546

[x2x+2y=4e2t2x3x+3yy=0]

4547

[3x+2x+y6y=5et4x+2x+y8y=5et+2t3]

4548

[x5x+3y=2e3tx+yy=5et]

4549

[x2x+y=0x+y2y=5etsin(t)]

4550

[x+4x+2y=2et16xy+3y=3et1]

4551

[xx+y=sec(t)2x+y+y=0]

4552

[xx2y=16tet2xy2y=0]
i.c.

4553

[x2x+y=5etcos(t)x+y2y=10etsin(t)]
i.c.

4554

[x4x+3y=sin(t)2x+yy=2cos(t)]
i.c.

4555

[x2xy=2etxy+2y=3e4t]
i.c.

4556

[x+x+y2y=40e3tx+xy=36et]
i.c.

4557

[x2xy=2ety2y4z=4e2txzz=0]
i.c.

4558

[x+2x2y=03x+y8y=240et]
i.c.

4559

[xx2y=0xy=15cos(t)Heaviside(tπ)]
i.c.

4560

[xx+y=2sin(t)(1Heaviside(tπ))2xyy=0]
i.c.

4561

[2x+x5y4y=28etHeaviside(t2)3x2x4y+y=0]
i.c.

4562

[x1=x1x2x2=4x1+x2]

4563

[x1=x13x2x2=3x1+x2]

4564

[x1=5x1+3x2x2=3x1x2]
i.c.

4565

[x1=2x1x2+x3x2=x1+2x2x3x3=x1x2+2x3]

4566

[x1=3x1x2+x3x2=x1+x2+x3x3=4x1x2+4x3]

4567

[x1=2x1+x2x2=x1+3x2x3x3=x1+2x2+3x3]

4568

[x1=3x12x2x3x2=3x14x23x3x3=2x14x2]

4569

[x1=x1x2+x3x2=x1+x2x3x3=2x2+2x3]
i.c.

4570

[x1=x1+x22x3x2=4x1+x2x3=2x1+x2x3]

4571

[x1=2x1+x2+26sin(t)x2=3x1+4x2]

4572

[x1=x1+8x2+9tx2=x1+x2+3et]

4573

[x1=x1+2x2x2=3x1+4x2+e3t1+e2t]

4574

[x1=4x12x2+2et1x2=6x1+3x23et1]

4575

[x1=x1+x2+e2tx2=2x1+3x2]

4576

[x1=x15x2x2=x1+x2+4sin(2t)]

4577

[x1=2x1+x2+27tx2=x1+4x2]

4578

[x1=3x1x2+etx2=4x1x2]

4579

[x1=3x12x2x2=2x1x2+35ett3/2]

4580

[x1=x1x2+x3x2=x1+x2x3+6etx3=2x1x2]

4581

[x1=x12x2x3x2=x1+x2+x3+12tx3=x1x3]

4582

[x1=3x1+4x22x3+etx2=x1+x2x3=6x16x2+5x3]

4583

[x1=x1x2x3+4etx2=x1+x2x3=3x1+x3]

4584

[x1=2x1x2+2x3x2=x1+2x3x3=2x1+x2x3+4sin(t)]

4585

[x1=4x1x2x3+e3tx2=x1+2x2x3x3=x1+x2+2x3]

4586

[x1=2x1x2x3+2e2tx2=3x12x23x3x3=x1+x2+2x3]

4587

[x1=2x1x3+24tx2=x1x2x3=3x1x2x3]

6787

[xy+y=etx+yy=e2t]

6788

[x+2x+y+y=t5x+y+3y=t2]

6789

[x+x+2y+7y=et+22x+y+3y=et1]

6790

[xx+y+3y=et1x+2x+y+3y=1+e2t]

6791

[xx+y+2y=1+ety+2y+z+z=et+2xx+z+z=3+et]

6922

[x=x+3yy=5x+3y]

6923

[x=4y+ety=4xet]

7198

[x=λ1xy=λ1xλ2y]

7566

[x1=3x118x2x2=2x19x2]
i.c.

7567

[x1=x1+3x2x2=5x1+3x2]

7568

[x1=x1+3x2x2=3x1+5x2]
i.c.

7569

[x1=4x1x2x2=5x1+2x2]

7570

[x1=2x1+x2x2=x12x2]

7571

[x1=2x1+x2+2etx2=x12x2+3t]

7572

[x1=3x1x2x2=16x15x2]
i.c.

7573

[x1=x12x2x2=3x14x2]
i.c.

7574

[x1=3x118x2x2=2x19x2]
i.c.

7575

[x1=x1+3x2x2=3x1+5x2]
i.c.

7576

[x1=3x118x2x2=2x19x2]
i.c.

7577

[x1=3x1x2x2=4x12x2]
i.c.

7578

[x1=x1+x28x2=x1+x2+3]

7579

[x1=x1+x28x2=x1+x2+3]
i.c.

7769

[y1=y1y2=y1+y2]
i.c.

7770

[y1=y2y2=6y1+y2]
i.c.

7771

[y1=y1+y2y2=y1+y2+e3x]
i.c.

7772

[y1=3y1+xy3y2=y2+x3y3y3=2xy1y2+exy3]

8182

[x=x+3yy=3x+y]

8183

[x=x+3yy=3x+y]
i.c.

8184

[x=x+2yy=3x+2y]

8185

[x=x+2y+t1y=3x+2y5t2]

8186

[x=x+yy=y]

8187

[x=xy=y]

8188

[x=3x+4yy=2x+3y]

8189

[x=4x2yy=5x+2y]

8190

[x=5x+4yy=yx]

8191

[x=4x3yy=8x6y]

8192

[x=2xy=3y]

8193

[x=4xyy=x2y]

8194

[x=7x+6yy=2x+6y]

8195

[x=x2yy=4x+5y]

8196

[x=x+y5t+2y=4x2y8t8]

8197

[x=3x4yy=4x7y]

8198

[x=x+yy=4x+y]

8199

[x=3x+2yy=2x2y]

8200

[x=5x+3yy=6x4y]

8201

[x=3x+2yy=2xy]

8202

[x=x+yy=yx]

8203

[x=3x5yy=x+2y]

8204

[x=x+2yy=4x+y]

8205

[x=3x+2y+zy=2xy+3zz=x+y+z]

8206

[x=x+yzy=2xy4zz=3xy+z]

8207

[x=x+2y4t+1y=x+2y+3t+4]

8208

[x=2x+yt+3y=x+4y+t2]

8209

[x=4x+yt+3y=x5y+t+1]

8210

[x=xy+1y=yx]
i.c.

8211

[x=ty+1y=tx+y]
i.c.

8379

[x=3x5yy=4x+8y]

8380

[x=4x7yy=5x]

8381

[x=3x+4y9zy=6xyz=10x+4y+3z]

8382

[x=xyy=x+2zz=zx]

8383

[x=xy+z+t1y=2x+yz3t2z=x+y+z+t2t+2]

8384

[x=3x+4y+etsin(2t)y=5x+9z+4etcos(2t)z=y+6zet]

8385

[x=4x+2y+ety=x+3yet]

8386

[x=7x+5y9z8e2ty=4x+y+z+2e5tz=2y+3z+e5t3e2t]

8387

[x=xy+2z+et3ty=3x4y+z+2et+tz=2x+5y+6z+2ett]

8388

[x=3x7y+4sin(t)+(4+t)e4ty=x+y+8sin(t)+(2t+1)e4t]

8389

[x=3x4yy=4x7y]

8390

[x=2x+5yy=2x+4y]

8391

[x=x+y4y=xy]

8392

[x=2x+yy=x]

8393

[x=x+2y+zy=6xyz=x2yz]

8394

[x=x+zy=x+yz=2xz]

8395

[x=x+2yy=4x+3y]

8396

[x=2x+2yy=x+3y]

8397

[x=4x+2yy=5x2+2y]

8398

[x=5x2+2yy=3x42y]

8399

[x=10x5yy=8x12y]

8400

[x=6x+2yy=3x+y]

8401

[x=x+yzy=2yz=yz]

8402

[x=2x7yy=5x+10y+4zz=5y+2z]

8403

[x=yxy=x+2y+zz=3yz]

8404

[x=x+zy=yz=x+z]

8405

[x=xyy=3x43y2+3zz=x8+y4z2]

8406

[x=xyy=3x43y2+3zz=x8+y4z2]

8407

[x=x+4y+2zy=4xy2zz=6z]

8408

[x=x2y=xy2]
i.c.

8409

[x=x+y+4zy=2yz=x+y+z]
i.c.

8410

[x=9x10+21y10+16z5y=7x10+13y2+21z5z=11x10+17y10+17z5]

8411

[x1=x1+2x39x45x2=51x210x4+3x5x3=x1+2x23x3x4=x231x310+4x4x5=14x15+3x42x5]

8412

[x=3xyy=9x3y]

8413

[x=6x+5yy=5x+4y]

8414

[x=x+3yy=3x+5y]

8415

[x=12x9yy=4x]

8416

[x=3xyzy=x+yzz=xy+z]

8417

[x=3x+2y+4zy=2x+2zz=4x+2y+3z]

8418

[x=5x4yy=x+2zz=2y+5z]

8419

[x=xy=3y+zz=zy]

8420

[x=xy=2x+2yzz=y]

8421

[x=4x+yy=4y+zz=4z]

8422

[x=2x+4yy=x+6y]
i.c.

8423

[x=zy=yz=x]
i.c.

8424

[x=6xyy=5x+2y]

8425

[x=x+yy=2xy]

8426

[x=5x+yy=2x+3y]

8427

[x=4x+5yy=2x+6y]

8428

[x=4x5yy=5x4y]

8429

[x=x8yy=x3y]

8430

[x=zy=zz=y]

8431

[x=2x+y+2zy=3x+6zz=4x3z]

8432

[x=x12y14zy=x+2y3zz=x+y2z]
i.c.

8433

[x=2x+3y7y=x2y+5]

8434

[x=5x+9y+2y=x+11y+6]

8709

[x=2x+3yy=2x+5y]
i.c.

8710

[x=x+4yy=2x3y]
i.c.

8711

[x=2xyy=x+2y+4et]

8712

[x=6x7y+10y=x2y2et]

8783

[x=9x+4yy=6xyz=6x+4y+3z]

8784

[x=x3yy=3x+7y]

8785

[x=x2yy=2x+5y]

8786

[x=7x+yy=4x+3y]

8787

[x=x+yy=yz=z]

8788

[x=2x+yzy=x+2zz=x2y+4z]

8959

[x=x+2y+2t+1y=5x+y+3t1]

9055

[x+yx=y+tx+y=2x+3y+et]

9056

[2x+yx=y+tx+y=2x+3y+et]

9057

[x+yx=y+t+sin(t)+cos(t)x+y=2x+3y+et]

9172

[x=3x+yy=yx]

11780

[x=axy=b]

11781

[x=ayy=ax]

11782

[x=ayy=bx]

11783

[x=axyy=x+ay]

11784

[x=ax+byy=cx+by]

11785

[ax+by=αx+βybxay=βxαy]

11786

[x=yy=2x+2y]

11787

[x+3x+4y=0y+2x+5y=0]

11788

[x=5x2yy=x7y]

11789

[x=a1x+b1y+c1y=a2x+b2y+c2]

11790

[x+2y=3ty2x=4]

11791

[x+yt2+6t+1=0x+y=3t2+3t+1]

11792

[x+3xy=e2ty+x+5y=et]

11793

[x+2x+y+y=e2t+txx+y+3y=et1]

11794

[x+yy=et2x+y+2y=cos(t)]

11795

[4x+9y+2x+31y=et3x+7y+x+24y=3]

11796

[4x+9y+11x+31y=et3x+7y+8x+24y=e2t]

11797

[4x+9y+44x+49y=t3x+7y+34x+38y=et]

11798

[x=xf(t)+yg(t)y=xg(t)+yf(t)]

11799

[x+(ax+by)f(t)=g(t)y+(cx+dy)f(t)=h(t)]

11800

[x=xcos(t)y=xesin(t)]

11801

[tx+y=0ty+x=0]

11802

[tx+2x=tty(t+2)xty=t]

11803

[tx+2x2y=tty+x+5y=t2]

11804

[t2(1sin(t))x=t(12sin(t))x+t2yt2(1sin(t))y=(tcos(t)sin(t))x+t(1tcos(t))y]

11805

[x+y+y=f(t)x+y+y+x+y=g(t)]

11806

[2x+y3x=0x+y2y=e2t]

11807

[x+xy=2tx+y9x+3y=sin(2t)]

11808

[xx+2y=0x2y=2tcos(2t)]

11809

[txty2y=0tx+2x+tx=0]

11810

[x+ay=0ya2y=0]

11811

[x=ax+byy=cx+dy]

11812

[x=a1x+b1y+c1y=a2x+b2y+c2]

11813

[x+x+y=5y4x3y=3]

11814

[x=(3cos(at+b)21)c2x+3c2ysin(2atb)2y=(3sin(at+b)21)c2y+3c2xsin(2atb)2]

11815

[x+6x+7y=0y+3x+2y=2t]

11816

[xay+bx=0y+ax+by=0]

11817

[a1x+b1x+c1xAy=Beiωta2y+b2y+c2y+Ax=0]

11818

[x+a(xy)+b1x=c1eiωty+a(yx)+b2y=c2eiωt]

11819

[a11x+b11x+c11x+a12y+b12y+c12y=0a21x+b21x+c21x+a22y+b22y+c22y=0]

11820

[x2xy+y=0yy+2xx=t]

11821

[x+y+y=sinh(2t)2x+y=2t]

11822

[xx+y=0x+yx=0]

11823

[x=2xy=3x2yz=2y+3z]

11824

[x=4xy=x2yz=x4y+z]

11825

[x=yzy=x+yz=x+z]

11826

[xy+z=0x+yy=tzxz=t]

11827

[ax=bc(yz)by=ca(zx)cz=ab(xy)]

11828

[x=cybzy=azcxz=bxay]

11829

[x=x+yzy=y+zxz=xy+z]

11830

[x=3x+48y28zy=4x+40y22zz=6x+57y31z]

11831

[x=6x72y+44zy=4x4y+26zz=6x63y+38z]

11832

[x=ax+gy+βzy=gx+by+αzz=βx+αy+cz]

11833

[tx=2xtt3y=x+t2y+tt4z=xt2y+t3z+t]

11834

[atx=bc(yz)bty=ca(zx)ctz=ab(xy)]

11835

[x1=ax2+bx3cos(ct)+bx4sin(ct)x2=ax1+bx3sin(ct)bx4cos(ct)x3=bx1cos(ct)bx2sin(ct)+ax4x4=bx1sin(ct)+bx2cos(ct)ax3]

11836

[x=x(x+y)y=y(x+y)]

11837

[x=(ay+b)xy=(cx+d)y]

11838

[x=x(a(px+qy)+α)y=y(β+b(px+qy))]

11839

[x=h(ax)(cxy)y=k(by)(cxy)]

11840

[x=y2cos(x)y=ysin(x)]

11841

[x=xy2+x+yy=yx2xy]

11842

[x=x+yx(x2+y2)y=x+yy(x2+y2)]

11843

[x=y+x(x2+y21)y=x+y(x2+y21)]

11844

[(t2+1)x=tx+y(t2+1)y=xty]

11845

[(x2+y2t2)x=2tx(x2+y2t2)y=2ty]

11846

[x2+tx+ayx=0xy+tyy=0]

11847

[x=tx+f(x,y)y=ty+g(x,y)]

11848

[x=ae2xex+e2xcos(y)2y=e2xsin(y)cos(y)sin(y)cos(y)3]

11849

[x=kx(x2+y2)3/2y=ky(x2+y2)3/2]

11850

[x=yzy=x2+yz=x2+z]

11851

[ax=(bc)yzby=(ca)zxcz=(ab)xy]

11852

[x=x(yz)y=y(zx)z=z(xy)]

11853

[x+y=xyy+z=yzx+z=xz]

11854

[x=x22y24y=2xy3zz=3xzy26]

11855

[x=x(y2z2)y=y(z2x2)z=z(x2y2)]

11856

[x=x(y2z2)y=y(z2+x2)z=z(x2+y2)]

11857

[x=xy2+x+yy=yx2xyz=y2x2]

11858

[(xy)(xz)x=f(t)(yx)(yz)y=f(t)(zx)(zy)z=f(t)]

12945

[3x+3x+2y=et4x3y+3y=3t]

13128

[x=3yy=2x]

13129

[x=2yy=4x]

13130

[x=3xy=2y]

13131

[x=4yy=2y]

13132

[x=xy=x+2y]

13133

[x=xyy=x+y]

13134

[x=x+2yy=x]

13135

[x=x2yy=2xy]

13136

[x=2x3yy=x+4y]

13137

[x=3yy=2x+y]

13138

[x=2xy=x]

13139

[x=2xyy=4y]

13140

[x=x2yy=2x+4y]

13141

[x=6yy=6y]

13142

[x=2x+3yy=x14]

13143

[x=3y3xy=x+2y1]

13144

[x=yxy=3y]

13145

[x=xy=3x4y]

13146

[x=yxy=x2y]

13147

[x=x+yy=3y3x]

13148

[x=x2yy=3x4y]
i.c.

13149

[x=5xyy=3x+y]
i.c.

13150

[x=3x+yy=3y]

13151

[x=xyy=x+3y]

13152

[x=x+2yy=3x+2y]

13153

[x=3x+4yy=3y]

13154

[x=2x+2yy=6x+3y]

13155

[x=5x+3yy=2x10y]

13156

[x=2xy=2y]

13157

[x=3x2yy=4xy]

13158

[x=5x4yy=x+y]

13159

[x=9yy=x]

13160

[x=2x+yy=x]
i.c.

13161

[x=x2yy=2x+4y]

13162

[x=3xy+1y=x+y+2]
i.c.

13163

[x=5x+3y+ety=2x10y]

13164

[x=yy=x+cos(wt)]

13165

[x=3x+2y+3y=7x+5y+2t]

13166

[x=x3yy=3x+7y]

13525

[x+y2x4y=etx+yy=e4t]

13526

[x+yx=2tx+y3xy=t2]

13527

[x+yx3y=etx+y+x=e3t]

13528

[x+yx2y=2etx+y3x4y=e2t]

13529

[2x+yxy=etx+2x+y+y=et]

13530

[2x+y3xy=tx+y4xy=et]

13531

[x+yx6y=e3tx+2y2x6y=t]

13532

[x+yx3y=3tx+2y2x3y=1]

13533

[x+y+2y=sin(t)x+yxy=0]

13534

[xy2x+4y=tx+yxy=1]

13535

[2x+y+x+5y=4tx+y+2x+2y=2]

13536

[x+yx+5y=t2x+2y2x+4y=2t+1]

13537

[2x+y+x+y=t2+4tx+y+2x+2y=2t22t]

13538

[3x+2yx+y=t1x+yx=t+2]

13539

[2x+4y+xy=3etx+y+2x+2y=et]

13540

[2x+yxy=2tx+y+xy=t2]

13541

[2x+yxy=1x+y+2xy=t]

13542

[x=3x+4yy=2x+y]
i.c.

13543

[x=5x+3yy=4x+y]
i.c.

13544

[x=5x+2y+5ty=3x+4y+17t]

13545

[x=5x2yy=4xy]

13546

[x=5xyy=3x+y]

13547

[x=2x+7yy=3x+2y]
i.c.

13548

[x=2x+yy=7x+4y]
i.c.

13563

[x=x+yzy=2x+3y4zz=4x+y4z]

13564

[x=xyzy=x+3y+zz=3x6y+6z]

13607

[x=x+3yy=3x+y]

13608

[x=3x+2yy=x+2y]

13609

[x=3x+4yy=3x+2y]

13610

[x=2x+5yy=x2y]

13611

[x=2x4yy=2x2y]

13612

[x=x2yy=4x+5y]

13613

[x=xyy=x+5y]

13614

[x=x+7yy=3x+5y]

13615

[x=x+yy=3xy]

13616

[x=ax+byy=cx+dy]

13617

[x=4x4yx(x2+y2)y=4x+4yy(x2+y2)]

13618

[x=y+x(1x2y2)x2+y2y=x+y(1x2y2)x2+y2]

13624

[x=xx2y=2yy2]

13738

[x=4xyy=2x+y+t2]
i.c.

13739

[x=x4y+cos(2t)y=x+y]
i.c.

13740

[x=2x+2yy=6x+3y+et]
i.c.

13741

[x=5x4y+e3ty=x+y]
i.c.

13742

[x=2x+5yy=2x+cos(3t)]
i.c.

13743

[x=x+y+ety=4x2y+e2t]
i.c.

13744

[x=8x+14yy=7x+y]
i.c.

13754

[x=8x+14yy=7x+y]

13755

[x=2xy=5x3y]

13756

[x=11x2yy=3x+4y]

13757

[x=x+20yy=40x19y]

13758

[x=2x+2yy=xy]

13759

[x=yy=xy]

13760

[x=2x+3yy=6x+4y]

13761

[x=11x2yy=13x9y]

13762

[x=7x5yy=10x3y]

13763

[x=5x4yy=x+y]

13764

[x=6x+2yy=2x2y]

13765

[x=3xyy=x5y]

13766

[x=13xy=13y]

13767

[x=7x4yy=x+3y]

13768

[x=yxy=yx]

13865

[x=yy=x]
i.c.

13866

[x+5x+y=etyx3y=e2t]

13867

[x=yy=zz=x]

13868

[x=yy=y2x]

14019

[x=x2yy=3x4y]

14020

[x=5x4+3y4y=x23y2]

14021

[xx+2y=0y+yx=0]

14022

[x+5x2y=02x+yy=0]

14023

[x3x+2y=0yx+3y=0]

14024

[x+xz=0x+yy=0z+x+2y3z=0]

14025

[x=x2+2y3zy=yz2z=2x+z]

14026

[x+y=yxy=x]

14027

[x+2y=txy=x+y]

14028

[xy=x+yt2x+3y=2x+6]

14029

[2xy=t3x+2y=y]

14030

[5x3y=x+y3xy=t]

14031

[x4y=02x3y=y+t]

14032

[3x+2y=sin(t)x2y=x+y+t]

14033

[x=4x+9y+12ety=5x+2y]

14034

[x=7x+6y+6ety=12x+5y+37]

14035

[x=7x+10y+18ety=10x+9y+37]

14036

[x=14x+39y+78sinh(t)y=6x+16y+6cosh(t)]

14037

[x=2x+4y2z2sinh(t)y=4x+2y2z+10cosh(t)z=x+3y+z+5]

14038

[x=2x+6y2z+50ety=6x+2y2z+21etz=x+6y+z+9]

14039

[x=2x2y+4zy=2x+y+2zz=4x2y+6z+e2t]

14040

[x=3x2y+3zy=xy+2z+2etz=2x+2y2z]

14041

[x=7x+y16ety=4x+3y+4et3]
i.c.

14042

[x=3x2y+24sin(t)y=9x3y+12cos(t)]
i.c.

14043

[x=7x4y+10ety=3x+14y+6e2t]
i.c.

14044

[x=7x+4y+6e3ty=5x+2y+6e2t]
i.c.

14045

[x=3x3y+zy=2y+2z+29etz=5x+y+z+39et]
i.c.

14046

[x=2x+yz+5sin(t)y=y+z10cos(t)z=x+z+2]
i.c.

14047

[x=3x+3y+z+5sin(2t)y=x5y3z+5cos(2t)z=3x+7y+3z+23et]
i.c.

14048

[x=3x+y3z+2ety=4xy+2z+4etz=4x2y+3z+4et]
i.c.

14049

[x=x+5y+10sinh(t)y=19x13y+24sinh(t)]

14050

[x=9x3y6ty=x+11y+10t]

14193

[x=y+1y=1+x]
i.c.

14194

[x=x2yy=xy]
i.c.

14195

[4xy+3x=sin(t)x+y=cos(t)]

14206

[x=2x3yy=5x+6y]

14207

[x=4x10yy=x2y]

14208

[x=12x+18yy=8x12y]

14211

[x=yxy=x3y]
i.c.

14212

[x=x5yy=xy]

14213

[x=x+yy=x2y]

14214

[x=4x+2yy=3x2y]

14215

[x=x+2yy=2x+2y]

14216

[x=4x2yy=3xy]

14217

[x=2x+yy=yx]

14218

[x=3xyy=x+y]

14219

[x=xyy=2x2y]

14220

[x=xy=2x3y]

14221

[x=xy=x+3y]

14222

[x=yy=2x4y]

14223

[x=xy=y]

14224

[x=0y=x]

14230

[x=x5yy=xy]

14478

[y1=2y13y2y2=y12y2]

14479

[y1=y12y2y2=y1+3y2]

14480

[y1=y1+2y2+x1y2=3y1+2y25x2]
i.c.

14481

[y1=2y1xy2x23+1x1x2y2=2y1+16x]
i.c.

14482

[y1=5y1x+4y2x2xy2=6y1x5y2x+5x]
i.c.

14483

[y1=3y12y2y2=y2y1]
i.c.

14484

[y1=sin(x)y1+xy2+ln(x)y2=tan(x)y1exy2+1]
i.c.

14485

[y1=sin(x)y1+xy2+ln(x)y2=tan(x)y1exy2+1]
i.c.

14486

[y1=exy1x+1y2+x2y2=y1(2+x)2]
i.c.

14487

[y1=exy1x+1y2+x2y2=y1(2+x)2]
i.c.

14496

[y1=2y13y2+5exy2=y1+4y22ex]

14497

[y1=y22y1+sin(2x)y2=3y1+y22cos(3x)]

14498

[y1=2y2y2=3y1y3=2y3y1]

14499

[y1=2xy1x2y2+4xy2=exy1+3exy2cos(3x)]

14500

[y1=2y13y2y2=y12y2]

14501

[y1=2y13y2+4x2y2=y12y2+3x]

14502

[y1=5y1x+4y2xy2=6y1x5y2x]

14503

[y1=5y1x+4y2x2xy2=6y1x5y2x+5x]

14504

[y1=2y1+y22y3y2=3y22y3y3=3y1+y23y3]

14505

[y1=5y15y25y3y2=y1+4y2+2y3y3=3y15y23y3]

14506

[y1=4y1+6y2+6y3y2=y1+3y2+2y3y3=y14y23y3]

14507

[y1=y1+2y23y3y2=3y1+4y22y3y3=2y1+y3]

14508

[y1=2y1y2+y3y2=y12y2y3y3=y1y22y3]

14509

[y1=y1+y2+2y3y2=y1+y2+2y3y3=2y1+2y2+4y3]

14510

[y1=2y1+y2y2=y1+2y2y3=3y34y4y4=4y3+3y4]

14511

[y1=y2y2=3y1+2y3y3=y4y4=2y15y3]

14512

[y1=3y1+2y2y2=3y22y1y3=y3y4=2y4]

14513

[y1=y2+y4y2=y1y3y3=y4y4=y3]

14514

[x=2x+3yy=x+2y]

14515

[x=x+2yy=2x+3y]

14516

[x=x2yy=2x3y]

14517

[x=x2yy=5x+y]

14518

[x=x+2yy=2xy]

14519

[x=x2yy=2x+y]

14520

[x=5xy+2y=3xy3]

14521

[x=3x2y6y=4xy+2]

14718

[x=xyy=xy]

14719

[x=2xyy=0]

14720

[x=xy=2x+y]

14721

[x=x+2yy=2xy]

14722

[x=2x+yy=x+y]

14723

[x=3yy=3πyx3]

14724

[p=3p2q7rq=2p+6rr=73q100+2r]

14725

[x=3x+2πyy=4xy]

14726

[x=βyy=γxy]

14727

[x=2yy=x+y]
i.c.

14728

[x=xyy=x+3y]
i.c.

14729

[x=2xyy=2x5y]
i.c.

14730

[x=2x3yy=3x2y]
i.c.

14731

[x=2x+3yy=x]
i.c.

14732

[x=1y=x]

14733

[x=3xy=2y]

14734

[x=4x2yy=x3y]

14735

[x=5x2yy=x4y]

14736

[x=2x+yy=x+4y]

14737

[x=x2y=xy2]

14738

[x=5x+4yy=9x]

14739

[x=3x+4yy=x]

14740

[x=2xyy=yx]

14741

[x=2x+yy=x+y]

14742

[x=x2yy=x4y]

14743

[x=2x2yy=2x+y]
i.c.

14744

[x=2x2yy=2x+y]
i.c.

14745

[x=2x2yy=2x+y]
i.c.

14746

[x=3xy=x2y]
i.c.

14747

[x=3xy=x2y]
i.c.

14748

[x=3xy=x2y]
i.c.

14749

[x=4x+yy=2x3y]
i.c.

14750

[x=4x+yy=2x3y]
i.c.

14751

[x=4x+yy=2x3y]
i.c.

14752

[x=4x2yy=x+y]
i.c.

14753

[x=4x2yy=x+y]
i.c.

14754

[x=4x2yy=x+y]
i.c.

14755

[x=2yy=2x]
i.c.

14756

[x=2x+2yy=4x+6y]
i.c.

14757

[x=3x5yy=3x+y]
i.c.

14758

[x=2yy=2xy]
i.c.

14759

[x=2x6yy=2x+y]
i.c.

14760

[x=x+4yy=3x+2y]
i.c.

14761

[x=2yy=2x]
i.c.

14762

[x=2x+2yy=4x+6y]
i.c.

14763

[x=3x5yy=3x+y]
i.c.

14764

[x=2yy=2xy]
i.c.

14765

[x=2x6yy=2x+y]
i.c.

14766

[x=x+4yy=3x+2y]
i.c.

14767

[x=9x102yy=x+11y10]
i.c.

14768

[x=3x+10yy=x+3y]

14769

[x=3xy=x3y]
i.c.

14770

[x=2x+yy=x2y]
i.c.

14771

[x=2xyy=x4y]
i.c.

14772

[x=yy=x2y]
i.c.

14773

[x=3xy=x3y]
i.c.

14774

[x=2x+yy=x+4y]
i.c.

14775

[x=2xyy=x4y]
i.c.

14776

[x=yy=x2y]
i.c.

14777

[x=2yy=y]
i.c.

14778

[x=2x+4yy=3x+6y]
i.c.

14779

[x=4x+2yy=2x+y]
i.c.

14780

[x=2yy=0]

14781

[x=2yy=0]

14782

[x=3xyy=4x+y]
i.c.

14785

[x=y10y=z5z=2x5]

14786

[x=yy=xz=2z]

14787

[x=2x+3yy=3x2yz=z]

14788

[x=x+3zy=yz=3x+z]

14789

[x=xy=2yzz=y+2z]

14790

[x=2x+yy=2yz=z]

14791

[x=2x+yy=2yz=z]

14792

[x=x+2yy=2x4yz=z]

14793

[x=x+2yy=2x4yz=0]

14794

[x=2x+yy=2y+zz=2z]

14795

[x=yy=zz=0]

14796

[x=2xyy=2y+3zz=x+3yz]

14797

[x=4x+3yy=zyz=5x5y]

14798

[x=10x+10yy=28xyz=8z3]

14799

[x=zyy=zxz=z]

14802

[x=3xy=2y]

14804

[x=0y=xy]

14805

[x=π2x+187y5y=555x+400617y5000]
i.c.

14806

[x=x+yy=2xy]

14807

[x=3x+yy=yx]

14808

[x=3x+yy=x]

14809

[x=yxy=2x+y]

14810

[x=2xy=xy]

14811

[x=3x+yy=x]

14812

[x=yy=4x4y]

14813

[x=3x3yy=2x+y]

15678

[x=2yy=12x]

15679

[x=4x3yy=6x7y]

15680

[tx+2x=15yty=x]

15681

[x=x+2yy=5x2y]
i.c.

15682

[x=5x+4yy=8x+y]
i.c.

15683

[x=4x+2yy=3xy]
i.c.

15684

[x=x+2yy=5x2y]
i.c.

15685

[x=2yy=2x]

15686

[x=2yy=2x]

15687

[x=2yy=8x]

15688

[x=4x13yy=x]
i.c.

15689

[x=3x+2yy=2x+3y]
i.c.

15690

[x=8x+2y17y=4x+y13]
i.c.

15691

[x=8x+2y+7e2ty=4x+y7e2t]
i.c.

15692

[x=4x+3y6e3ty=x+6y+2e3t]
i.c.

15693

[x=yy=4x+24t]
i.c.

15694

[x=4x13yy=x+19cos(4t)13sin(4t)]
i.c.

15695

[x=4x+3y+5Heaviside(t2)y=x+6y+17Heaviside(t2)]
i.c.

15696

[x=5x+4yy=8x+y]

15697

[x=2x5yy=3x7y]

15698

[x=2x5y+4y=3x7y+5]

15699

[x=3x+yy=6x+2y]

15700

[x=xy6yy=xy5]

15701

[x=x+2yy=2xy]

15757

[x=4yy=x2y]

15761

[x=4yy=4x]
i.c.

15762

[x=5x+4yy=2x+2y]
i.c.

16569

[x=6y=cos(t)]

16570

[x=xy=1]

16571

[x=0y=2y]

16572

[x=x2y=et]

16573

[x1=3x1x2=1]
i.c.

16574

[x1=x1+1x2=x2]
i.c.

16575

[x=3x+6yy=4xy]

16576

[x=8xyy=x+6y]

16577

[x=x2yy=x+y]

16578

[x=4x+2yy=x+2y]

16579

[x=yy=x+1]

16580

[x=yy=x+sin(2t)]

17150

[x1=2tx12x2=x2+tt]

17151

[x1=etx1x2=2ex1]

17152

[x=yy=y2x]

17153

[x1=x12x2x2=x2x1]

17154

[x=exty=xeyt]

17155

[x=y+tx+yy=xtx+y]

17156

[x=y+tyxy=xtyx]

17157

[x=y+tx+yy=t+xx+y]

17158

[x=9yy=x]

17159

[x=y+ty=xt]

17160

[x+3x+4y=0y+2x+5y=0]
i.c.

17161

[x=x+5yy=x3y]
i.c.

17162

[4xy+3x=sin(t)x+y=cos(t)]

17163

[x=zyy=zz=zx]

17164

[x=y+zy=x+zz=x+y]

17165

[x=yy=x]

17166

[x+y+x=0x+y=0]

17167

[x=3x+yy=2x]

17168

[x=x2+yy=2xx+x]
i.c.

17169

[x=x2+y2y=2xy]

17170

[x=1yy=1x]

17171

[x=xyy=yx]

17172

[x=yxyy=xxy]

17173

[x=sin(x)cos(y)y=cos(x)sin(y)]

17174

[etx=1yety=1x]

17175

[x=cos(x)2cos(y)2+sin(x)2cos(y)2y=sin(2x)sin(2y)2]
i.c.

17176

[x=8yxy=x+y]

17177

[x=xyy=yx]

17178

[x=2x+yy=x3y]
i.c.

17179

[x=x+yy=2x+4y]
i.c.

17180

[x=4x5yy=x]
i.c.

17181

[x=y+zxy=xy+zz=x+yz]

17182

[x=2xy+zy=x+2yzz=xy+2z]

17183

[x=2xy+zy=x+zz=y2z3x]
i.c.

17184

[x+2xy=e2ty+3x2y=6e2t]

17185

[x=x+ycos(t)y=y2x+cos(t)+sin(t)]
i.c.

17186

[x=y+tan(t)21y=tan(t)x]

17187

[x=4x2y+2et1y=6x+3y3et1]

17188

[x=yy=x+1cos(t)]

17189

[x=yy=x+1]

17190

[x=32yy=2x2t]

17191

[x=y+sin(t)y=x+cos(t)]

17192

[x=x+y+ety=x+yet]

17193

[x=4x5y+4t1y=x2y+t]
i.c.

17194

[x=yx+ety=xy+et]
i.c.

17195

[x+y=t2x+y=t]

17196

[x+y+y=et2x+y+2y=sin(t)]

17197

[x=2x+y2z+2ty=x+1z=x+yz+1t]

17198

[x+x+2y=2ety+y+z=1z+z=1]
i.c.

17199

[x=5x+4yy=x+2y]

17200

[x=6x+yy=4x+3y]

17201

[x=2x4y+1y=x+5y]

17202

[x=3x+y+ety=x+3yet]

17203

[x=2x+4y+cos(t)y=x2y+sin(t)]

17377

[x=yy=x+4]

17378

[x=x+2y+sin(t)y=x+ycos(t)]

17379

[x=2tx+yy=3xy]

17380

[x=x+2y+4y=2x+y3]

17381

[x=3xyy=x+2y]

17382

[x=x+tyy=txy]

17383

[x=x+y+4y=2x+sin(t)y]

17384

[x=3x4yy=x+3y]

17385

[x=2xyy=3x2y]

17386

[x=x+2yy=2xy]

17387

[x=yy=x+2sin(t)]
i.c.

17388

[x=x4y+2ty=x3y3]
i.c.

17389

[x=x+y+1y=x+y3]

17390

[x=x4y4y=xy6]

17391

[x=x43y4+8y=x2+y232]

17392

[x=2x+y11y=5x+4y35]

17393

[x=x+y3y=x+y+1]

17394

[x=5x+4y35y=2x+y11]

17395

[x=3x2yy=2x2y]

17396

[x=x2yy=3x4y]

17397

[x=2xyy=3x2y]

17398

[x=x+yy=4x2y]

17399

[x=4x3yy=8x6y]

17400

[x=2x+yy=x2y]

17401

[x=5x4+3y4y=3x4+5y4]

17402

[x=3x47y4y=x4+5y4]

17403

[x=x43y4y=x2+y]

17404

[x=5xyy=3x+y]

17405

[x=2x+yy=5x+4y]

17406

[x=3x+6yy=x2y]

17407

[x=x2yy=3x4y]
i.c.

17408

[x=2xyy=3x2y]
i.c.

17409

[x=5xyy=3x+y]
i.c.

17410

[x=2x+yy=5x+4y]
i.c.

17411

[x=3x2yy=4xy]

17412

[x=x4yy=xy]

17413

[x=2x5yy=x2y]

17414

[x=2x5y2y=9x5y]

17415

[x=xyy=5x3y]

17416

[x=x+2yy=5xy]

17417

[x=x4yy=xy]
i.c.

17418

[x=2x5yy=x2y]
i.c.

17419

[x=x5yy=x3y]
i.c.

17420

[x=3x+2yy=xy]
i.c.

17421

[x=3x42yy=x5y4]

17422

[x=4x5+2yy=x+6y5]

17423

[x=ax+yy=x+ay]

17424

[x=5yy=x+ay]

17425

[x=2x5yy=ax2y]

17426

[x=5x4+3y4y=ax+5y4]

17427

[x=x+ayy=xy]

17428

[x=3x+ayy=6x4y]

17429

[x=ax+10yy=x4y]

17430

[x=4x+ayy=8x6y]

17431

[i=i2v8v=2iv2]

17432

[x=3x4yy=xy]

17433

[x=5x4+3y4y=3x4y4]

17434

[x=3x2+yy=x4y2]

17435

[x=3x+5y2y=5x2+2y]

17436

[x=xy2y=2x3y]

17437

[x=2x+y2y=x2+y]

17438

[x=x4yy=4x7y]
i.c.

17439

[x=5x2+3y2y=3x2+y2]
i.c.

17440

[x=2x+3y2y=3x2y]
i.c.

17441

[x=5x4+3y4y=3x4y4]
i.c.

17442

[x=3x+5y2y=5x2+2y]
i.c.

17443

[x=2x+y2y=x2+y]
i.c.

17444

[x=xy=2y]
i.c.

17445

[x=xy=2y]
i.c.

17446

[x=xy=2y]
i.c.

17447

[x=2yy=8x]
i.c.

17448

[x=2yy=8x]
i.c.

17449

[x=2yy=8x]
i.c.

17450

[x=2xyy=x2y]

17451

[x=yxy=x+y]

17452

[x=2x4yy=2x2y]

17453

[x=x+y+x2y=y2xy]

17454

[x=2yx23x24yy=2xy2+6xy]

17455

[x=3xx2y=2xy3y+2]

17456

[x=xxyy=y+2xy]

17457

[x=2yy=yx2]

17458

[x=xx2xyy=y2y243xy4]

17459

[x=(xy)(1xy)y=x(2+y)]

17460

[x=y(2xy)y=xy2xy]

17461

[x=(x+2)(yx)y=yx2y2]

17462

[x=x+2xyy=yx2y2]

17463

[x=yy=xx35y5]

17465

[x=x(1xy)y=y(34yx2)]

17659

[y1=5y1+y2y2=9y1+5y2]
i.c.

17660

[y1=5y12y2y2=6y12y2]
i.c.

17661

[y1=4y14y2y2=5y14y2]
i.c.

17662

[y1=6y2y2=6y1]
i.c.

17663

[y1=4y1y2y2=y12y2]
i.c.

17664

[y1=2y164y2y2=y114y2]
i.c.

17665

[y1=4y1y2+2ety2=y12y2+sin(2t)]
i.c.

17666

[y1=5y1y2+ety2=y1+3y2+2et]
i.c.

17667

[y1=y15y2+3y2=y1+3y2+5cos(t)]
i.c.

17668

[y1=2y1+y2y2=y12y2+sin(t)]
i.c.

17669

[y1=y2y3y2=y1+y3ety3=y1+y2+et]
i.c.

17713

[x1=x1+x2+x3x2=2x1+x2x3x3=x2+x3]

17714

[x1=x1x2+4x3x2=3x1+2x2x3x3=2x1+x2x3]

17727

[x1=x2+x3x2=x1+x3x3=x1+x2]

17728

[x1=3x1+2x2+4x3x2=2x1+2x3x3=4x1+2x2+3x3]

17735

[x1=4x1+x2x2=x15x2+x3x3=x24x3]

17736

[x1=x1+4x2+4x3x2=3x2+2x3x3=2x2+3x3]

17737

[x1=2x14x2+2x3x2=4x1+2x22x3x3=2x12x2x3]

17738

[x1=2x1+2x2x3x2=2x1+3x22x3x3=2x1+4x23x3]

17739

[x1=x1+x2+6x3x2=x1+6x2+x3x3=6x1+x2+x3]

17740

[x1=3x1+2x2+4x3x2=2x1+2x3x3=4x1+2x2+3x3]

17741

[x1=x1+x2+x3x2=2x1+x2x3x3=8x15x23x3]

17742

[x1=x1x2+4x3x2=3x1+2x2x3x3=2x1+x2x3]

17743

[x1=x1+x2+2x3x2=2x2+2x3x3=x1+x2+3x3]
i.c.

17744

[x1=x3x2=2x1x3=x1+2x2+4x3]
i.c.

17745

[x1=x1+3x3x2=2x2x3=3x1x3]
i.c.

17746

[x1=x12x23x32x2=3x122x23x32x3=2x1+2x2+x3]
i.c.

17747

[x1=x1+5x2+3x35x4x2=2x1+3x2+2x34x4x3=x22x3+x4x4=2x1+4x2+2x35x4]

17748

[x1=5x1+x24x3x4x2=3x2x3=x1x2+x4x4=2x1x2+2x32x4]

17749

[x1=2x1+2x2x4x2=2x1x2+2x4x3=3x3x4=x1+2x2+2x4]

17750

[x1=x1+8x2+5x3+3x4x2=2x1+16x2+10x3+6x4x3=5x114x211x33x4x4=x18x25x33x4]

17751

[x1=2x1+2x22x4x2=x1+3x2x3+x4x3=2x12x24x3+2x4x4=7x1+x27x3+3x4]

17752

[x1=5x12x2x3+2x4+3x5x2=3x2x3=x1x3x5x4=2x1+x24x42x5x5=3x12x2x3+2x4+x5]

17753

[x1=3x22x3+3x4+2x5x2=8x1+6x2+4x38x416x5x3=8x18x26x3+8x416x5x4=8x1+7x2+4x39x416x5x5=3x15x23x3+5x4+7x5]

17754

[x1=2x1+2x2+x3x2=2x1+2x2+2x3x3=2x13x23x3]

17755

[x1=2x14x2x3x2=x1+x2+3x3x3=3x14x22x3]

17756

[x1=2x2x3x2=x1x2+x3x3=x12x22x3]

17757

[x1=4x1+2x2x3x2=6x13x3x3=8x232x3]

17758

[x1=7x1+6x26x3x2=9x1+5x29x3x3=x2x3]

17759

[x1=4x13+4x2311x33x2=16x13x23+14x33x3=3x12x22x3]

17760

[x1=x1+x2+x3x2=2x1+x2x3x3=8x15x23x3]

17761

[x1=x1x2+4x3x2=3x1+2x2x3x3=2x1+x2x3]

17762

[x1=3x14+29x2411x32x2=3x14+3x245x32x3=5x14+11x245x32]

17763

[x1=2x1x2+4x3+2x4x2=19x16x2+6x3+16x4x3=9x1x2+x3+6x4x4=5x13x2+6x3+5x4]

17764

[x1=3x1+6x2+2x32x4x2=2x13x26x3+2x4x3=4x1+8x2+3x34x4x4=2x12x26x3+x4]

17765

[x1=3x14x2+5x3+9x4x2=2x15x2+4x3+12x4x3=2x1x3+2x4x4=2x2+2x3+3x4]

17766

[x1=3x15x2+8x3+14x4x2=6x18x2+11x3+27x4x3=6x14x2+7x3+17x4x4=2x2+2x3+4x4]

17767

[x1=3x22x4x2=x12+x23x35x42x3=3x25x33x4x4=x1+3x23x4]

17768

[x1=3x12x2x2=2x12x2]

17769

[x1=3x1+2x2x2=x123x2]

17770

[x1=3x14x2x2=x1x2]

17771

[x1=x12x24x2=x1x22]

17772

[x1=x15x22x2=x12x2]

17773

[x1=x14x2x2=x1x2]

17774

[x1=5x1x2x2=3x1+x2]

17775

[x1=x1x2x2=5x13x2]

17776

[x1=2x1x2x2=3x12x2]

17777

[x1=x12+x22x2=2x1x2]

17778

[x1=3x1+4x2x2=x12x2]

17779

[x1=3x1+5x22x2=5x12+2x2]

17780

[x1=x1+x2+x3x2=2x1+x2x3x3=8x15x23x3]

17781

[x1=x1x2+4x3x2=3x1+2x2x3x3=2x1+x2x3]

17782

[x1=3x19x2x2=x13x2]
i.c.

17783

[x1=2x1x2x2=3x12x2]
i.c.

17784

[x1=4x1x2x2=x12x2]

17785

[x1=5x1x2x2=x1+3x2]

17786

[x1=x15x2x2=x1+3x2]

17787

[x1=x2x3x2=x1+x3x3=x1+x2]

17788

[x1=k1x1x2=k1x1k2x2x3=k2x2]
i.c.

17789

[x1=2x1x2+etx2=3x12x2+t]

17790

[x1=x1+3x2+etx2=3x1x2+3et]

17791

[x1=2x15x2cos(t)x2=x12x2+sin(t)]

17792

[x1=x1+x2+e2tx2=4x12x22et]

17793

[x1=1x2+x3x2=2x2+tx3=2x1x2+3x3+et]

17794

[x1=x12+x22x32+1x2=x12x2+x3+tx3=x12+x223x32+11e3t]

17795

[x1=4x1+x2+3x3+3tx2=2x2x3=2x1+x2+x3+3cos(t)]

17796

[x1=x12+x2+x32x2=x1x2+x3sin(t)x3=x12+x2x32]

17797

[x1=2x1+x2+1x2=x12x2+x3x3=x2x3]
i.c.

17798

[x1=4x19x2x2=x12x2]

17799

[x1=3x19x2x2=x13x2]

17800

[x1=x1+x2+x3x2=2x1+x2x3x3=3x1+2x2+4x3]

17801

[x1=5x13x22x3x2=8x15x24x3x3=4x1+3x2+3x3]

17802

[x1=7x1+9x26x3x2=8x1+11x27x3x3=2x1+3x2x3]

17803

[x1=5x1+6x2+2x3x2=2x12x2x3x3=2x13x2]

17804

[x1=8x116x216x317x4x2=2x110x28x37x4x3=2x12x33x4x4=6x1+14x2+14x3+14x4]

17805

[x1=x1x22x3+3x4x2=2x13x22x3+7x42x3=x1+x223x42x4=2x1+3x22+3x37x42]

17806

[x1=x14x2x2=4x17x2]
i.c.

17807

[x1=3x14x2x2=x1x2]
i.c.

17808

[x1=4x1+x2+3x3x2=6x1+4x2+6x3x3=5x12x24x3]
i.c.

17809

[x1=x1+x2x2=14x15x2+x3x3=15x1+5x22x3]
i.c.

17810

[x=2y+xyy=x+4xy]

17811

[x=1+5yy=16x2]

17959

[x=yy=zz=x]

17960

[y=y+zz=y+z+x]

17961

[y=y2zz=y2]

17962

[y=11zz=1yx]

17963

[y=zz=y]
i.c.

17966

[y=z2yz=y2z]

17967

[y=y2zz=z2y]

17968

[x=y+zxy=xy+zz=x+yz]

17969

[x+x+y=t2y+y+z=2tz+z=t]

17970

[x+5x+y=7et272x+y+3y=3et+12]

17971

[y+z2z=e2xz+2y3y=0]

17972

[x=yy=x+et+et]

17973

[y+2zx2=1z+y=x]

17974

[txx3y=ttyx+y=0]

17975

[tx+6xy3z=0ty+23x6y9z=0tz+x+y2z=0]

17976

[x+5x+y=etyx+3y=e2t]

18387

[x=x+3yy=3x+y]
i.c.

18388

[x=x+2yy=3x+2y]

18389

[x=x+2y+t1y=3x+2y5t2]

18390

[x=x+yy=y]

18391

[x=xy=y]

18392

[x=3x+4yy=2x+3y]

18393

[x=4x2yy=5x+2y]

18394

[x=5x+4yy=yx]

18395

[x=4x3yy=8x6y]

18396

[x=2xy=3y]

18397

[x=4xyy=x2y]

18398

[x=7x+6yy=2x+6y]

18399

[x=x2yy=4x+5y]

18400

[x=x+y5t+2y=4x2y8t8]

18401

[x=2xy=3y]

18402

[x=x2yy=4x5y]

18403

[x=3x+4yy=2x+3y]

18404

[x=5x+2yy=17x5y]

18405

[x=4xyy=x2y]

18406

[x=4x3yy=8x6y]

18407

[x=4x2yy=5x+2y]

18436

[x=xy=x+2y]

18632

[z+7y3z=07y+63y36z=0]

18633

[z+2y+3y=0y+3y2z=0]

18634

[y+3y+z=0z+3y+5z=0]

18635

[y+3y+2z=0z+2y4z=0]

18636

[y3y2z=0z+y2z=0]

18637

[y+z+6y=0z+5y+z=0]

18638

[z+y+5y3z=x+exy+2yz=ex]

18639

[z+y+3z=exy+3y+4z=e2x]

18640

[z3y+2z=exy+2yz=e3x]

18641

[z+5y2z=xy+4y+z=x]

18642

[z+7y9z=exyy3z=e2x]

18643

[y2y2z=e3xz+5y2z=e4x]

18957

[x+2x+y+y=05x+y+3y=0]

18958

[x7x+y=0y2x5y=0]

18959

[x+2x3y=ty3x+2y=e2t]

18960

[4x+9y+44x+49y=t3x+7y+34x+38y=et]

18961

[x3x4y=0y+x+y=0]

18962

[x+2y2x+2y=3et3x+y+2x+y=4e2t]

18963

[4x+9y+2x+31y=et3x+7y+x+24y=3]

18964

[x+4x+3y=ty+2x+5y=et]

18965

[x=nymzy=Lzmxz=mxLy]

19429

[tx+y=0ty+x=0]

19560

[x7x+y=0y2x5y=0]

19561

[x+5x+y=etyx+3y=e2t]

19562

[4x+9y+11x+31y=et3x+7y+8x+24y=e2t]

19563

[tx=t2xty=tx+ty+2xt]