求一元一次方程例题及讲解要详细谢谢谢谢谢谢万分感谢

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求一元一次方程例题及讲解要详细谢谢谢谢谢谢万分感谢求一元一次方程例题及讲解要详细谢谢谢谢谢谢万分感谢求一元一次方程例题及讲解要详细谢谢谢谢谢谢万分感谢题:10x+90=29010x=290-90x=2

求一元一次方程例题及讲解要详细谢谢谢谢谢谢万分感谢
求一元一次方程例题及讲解要详细谢谢谢谢谢谢万分感谢

求一元一次方程例题及讲解要详细谢谢谢谢谢谢万分感谢
题:10 x + 90 = 290
10 x = 290-90
x= 200/10
x= 20
题:10 x + 91 = 291
10 x = 291-91
x= 200/10
x= 20
题:10 x + 92 = 292
10 x = 292-92
x= 200/10
x= 20
题:10 x + 93 = 293
10 x = 293-93
x= 200/10
x= 20
题:10 x + 94 = 294
10 x = 294-94
x= 200/10
x= 20
题:10 x + 95 = 295
10 x = 295-95
x= 200/10
x= 20
题:10 x + 96 = 296
10 x = 296-96
x= 200/10
x= 20
题:10 x + 97 = 297
10 x = 297-97
x= 200/10
x= 20
题:10 x + 98 = 298
10 x = 298-98
x= 200/10
x= 20
题:10 x + 99 = 299
10 x = 299-99
x= 200/10
x= 20
题:10 x + 90 = 300
10 x = 300-90
x= 210/10
x= 21
题:10 x + 91 = 301
10 x = 301-91
x= 210/10
x= 21
题:10 x + 92 = 302
10 x = 302-92
x= 210/10
x= 21
题:10 x + 93 = 303
10 x = 303-93
x= 210/10
x= 21
题:10 x + 94 = 304
10 x = 304-94
x= 210/10
x= 21
题:10 x + 95 = 305
10 x = 305-95
x= 210/10
x= 21
题:10 x + 96 = 306
10 x = 306-96
x= 210/10
x= 21
题:10 x + 97 = 307
10 x = 307-97
x= 210/10
x= 21
题:10 x + 98 = 308
10 x = 308-98
x= 210/10
x= 21
题:10 x + 99 = 309
10 x = 309-99
x= 210/10
x= 21
题:10 x + 90 = 310
10 x = 310-90
x= 220/10
x= 22
题:10 x + 91 = 311
10 x = 311-91
x= 220/10
x= 22
题:10 x + 92 = 312
10 x = 312-92
x= 220/10
x= 22
题:10 x + 93 = 313
10 x = 313-93
x= 220/10
x= 22
题:10 x + 94 = 314
10 x = 314-94
x= 220/10
x= 22
题:10 x + 95 = 315
10 x = 315-95
x= 220/10
x= 22
题:10 x + 96 = 316
10 x = 316-96
x= 220/10
x= 22
题:10 x + 97 = 317
10 x = 317-97
x= 220/10
x= 22
题:10 x + 98 = 318
10 x = 318-98
x= 220/10
x= 22
题:10 x + 99 = 319
10 x = 319-99
x= 220/10
x= 22
题:10 x + 90 = 320
10 x = 320-90
x= 230/10
x= 23
题:10 x + 91 = 321
10 x = 321-91
x= 230/10
x= 23
题:10 x + 92 = 322
10 x = 322-92
x= 230/10
x= 23
题:10 x + 93 = 323
10 x = 323-93
x= 230/10
x= 23
题:10 x + 94 = 324
10 x = 324-94
x= 230/10
x= 23
题:10 x + 95 = 325
10 x = 325-95
x= 230/10
x= 23
题:10 x + 96 = 326
10 x = 326-96
x= 230/10
x= 23
题:10 x + 97 = 327
10 x = 327-97
x= 230/10
x= 23
题:10 x + 98 = 328
10 x = 328-98
x= 230/10
x= 23
题:10 x + 99 = 329
10 x = 329-99
x= 230/10
x= 23
题:10 x + 90 = 330
10 x = 330-90
x= 240/10
x= 24
题:10 x + 91 = 331
10 x = 331-91
x= 240/10
x= 24
题:10 x + 92 = 332
10 x = 332-92
x= 240/10
x= 24
题:10 x + 93 = 333
10 x = 333-93
x= 240/10
x= 24
题:10 x + 94 = 334
10 x = 334-94
x= 240/10
x= 24
题:10 x + 95 = 335
10 x = 335-95
x= 240/10
x= 24
题:10 x + 96 = 336
10 x = 336-96
x= 240/10
x= 24
题:10 x + 97 = 337
10 x = 337-97
x= 240/10
x= 24
题:10 x + 98 = 338
10 x = 338-98
x= 240/10
x= 24
题:10 x + 99 = 339
10 x = 339-99
x= 240/10
x= 24
题:10 x + 90 = 340
10 x = 340-90
x= 250/10
x= 25
题:10 x + 91 = 341
10 x = 341-91
x= 250/10
x= 25
题:10 x + 92 = 342
10 x = 342-92
x= 250/10
x= 25
题:10 x + 93 = 343
10 x = 343-93
x= 250/10
x= 25
题:10 x + 94 = 344
10 x = 344-94
x= 250/10
x= 25
题:10 x + 95 = 345
10 x = 345-95
x= 250/10
x= 25
题:10 x + 96 = 346
10 x = 346-96
x= 250/10
x= 25
题:10 x + 97 = 347
10 x = 347-97
x= 250/10
x= 25
题:10 x + 98 = 348
10 x = 348-98
x= 250/10
x= 25
题:10 x + 99 = 349
10 x = 349-99
x= 250/10
x= 25
题:10 x + 90 = 350
10 x = 350-90
x= 260/10
x= 26
题:10 x + 91 = 351
10 x = 351-91
x= 260/10
x= 26
题:10 x + 92 = 352
10 x = 352-92
x= 260/10
x= 26
题:10 x + 93 = 353
10 x = 353-93
x= 260/10
x= 26
题:10 x + 94 = 354
10 x = 354-94
x= 260/10
x= 26
题:10 x + 95 = 355
10 x = 355-95
x= 260/10
x= 26
题:10 x + 96 = 356
10 x = 356-96
x= 260/10
x= 26
题:10 x + 97 = 357
10 x = 357-97
x= 260/10
x= 26
题:10 x + 98 = 358
10 x = 358-98
x= 260/10
x= 26
题:10 x + 99 = 359
10 x = 359-99
x= 260/10
x= 26
题:10 x + 90 = 360
10 x = 360-90
x= 270/10
x= 27
题:10 x + 91 = 361
10 x = 361-91
x= 270/10
x= 27
题:10 x + 92 = 362
10 x = 362-92
x= 270/10
x= 27
题:10 x + 93 = 363
10 x = 363-93
x= 270/10
x= 27
题:10 x + 94 = 364
10 x = 364-94
x= 270/10
x= 27
题:10 x + 95 = 365
10 x = 365-95
x= 270/10
x= 27
题:10 x + 96 = 366
10 x = 366-96
x= 270/10
x= 27
题:10 x + 97 = 367
10 x = 367-97
x= 270/10
x= 27
题:10 x + 98 = 368
10 x = 368-98
x= 270/10
x= 27
题:10 x + 99 = 369
10 x = 369-99
x= 270/10
x= 27
题:10 x + 90 = 370
10 x = 370-90
x= 280/10
x= 28
题:10 x + 91 = 371
10 x = 371-91
x= 280/10
x= 28
题:10 x + 92 = 372
10 x = 372-92
x= 280/10
x= 28
题:10 x + 93 = 373
10 x = 373-93
x= 280/10
x= 28
题:10 x + 94 = 374
10 x = 374-94
x= 280/10
x= 28
题:10 x + 95 = 375
10 x = 375-95
x= 280/10
x= 28
题:10 x + 96 = 376
10 x = 376-96
x= 280/10
x= 28
题:10 x + 97 = 377
10 x = 377-97
x= 280/10
x= 28
题:10 x + 98 = 378
10 x = 378-98
x= 280/10
x= 28
题:10 x + 99 = 379
10 x = 379-99
x= 280/10
x= 28
题:10 x + 90 = 380
10 x = 380-90
x= 290/10
x= 29
题:10 x + 91 = 381
10 x = 381-91
x= 290/10
x= 29
题:10 x + 92 = 382
10 x = 382-92
x= 290/10
x= 29
题:10 x + 93 = 383
10 x = 383-93
x= 290/10
x= 29
题:10 x + 94 = 384
10 x = 384-94
x= 290/10
x= 29
题:10 x + 95 = 385
10 x = 385-95
x= 290/10
x= 29
题:10 x + 96 = 386
10 x = 386-96
x= 290/10
x= 29
题:10 x + 97 = 387
10 x = 387-97
x= 290/10
x= 29
题:10 x + 98 = 388
10 x = 388-98
x= 290/10
x= 29
题:10 x + 99 = 389
10 x = 389-99
x= 290/10
x= 29
题:11 x + 90 = 310
11 x = 310-90
x= 220/11
x= 20
题:11 x + 91 = 311
11 x = 311-91
x= 220/11
x= 20
题:11 x + 92 = 312
11 x = 312-92
x= 220/11
x= 20
题:11 x + 93 = 313
11 x = 313-93
x= 220/11
x= 20
题:11 x + 94 = 314
11 x = 314-94
x= 220/11
x= 20
题:11 x + 95 = 315
11 x = 315-95
x= 220/11
x= 20
题:11 x + 96 = 316
11 x = 316-96
x= 220/11
x= 20
题:11 x + 97 = 317
11 x = 317-97
x= 220/11
x= 20
题:11 x + 98 = 318
11 x = 318-98
x= 220/11
x= 20
题:11 x + 99 = 319
11 x = 319-99
x= 220/11
x= 20
题:11 x + 90 = 321
11 x = 321-90
x= 231/11
x= 21
题:11 x + 91 = 322
11 x = 322-91
x= 231/11
x= 21
题:11 x + 92 = 323
11 x = 323-92
x= 231/11
x= 21
题:11 x + 93 = 324
11 x = 324-93
x= 231/11
x= 21
题:11 x + 94 = 325
11 x = 325-94
x= 231/11
x= 21
题:11 x + 95 = 326
11 x = 326-95
x= 231/11
x= 21
题:11 x + 96 = 327
11 x = 327-96
x= 231/11
x= 21
题:11 x + 97 = 328
11 x = 328-97
x= 231/11
x= 21
题:11 x + 98 = 329
11 x = 329-98
x= 231/11
x= 21
题:11 x + 99 = 330
11 x = 330-99
x= 231/11
x= 21
题:11 x + 90 = 332
11 x = 332-90
x= 242/11
x= 22
题:11 x + 91 = 333
11 x = 333-91
x= 242/11
x= 22
题:11 x + 92 = 334
11 x = 334-92
x= 242/11
x= 22
题:11 x + 93 = 335
11 x = 335-93
x= 242/11
x= 22
题:11 x + 94 = 336
11 x = 336-94
x= 242/11
x= 22
题:11 x + 95 = 337
11 x = 337-95
x= 242/11
x= 22
题:11 x + 96 = 338
11 x = 338-96
x= 242/11
x= 22
题:12 x + 99 = 375
12 x = 375-99
x= 276/12
x= 23
题:13 x + 90 = 454
13 x = 454-90
x= 364/13
x= 28
题:13 x + 91 = 455
13 x = 455-91
x= 364/13
x= 28
题:13 x + 92 = 456
13 x = 456-92
x= 364/13
x= 28
题:16 x + 99 = 467
16 x = 467-99
x= 368/16
x= 23
题:16 x + 90 = 474
16 x = 474-90
x= 384/16
x= 24
题:16 x + 91 = 475
16 x = 475-91
x= 384/16
x= 24
题:16 x + 92 = 476
16 x = 476-92
x= 384/16
x= 24
题:18 x + 93 = 471
18 x = 471-93
x= 378/18
x= 21
题:18 x + 94 = 472
18 x = 472-94
x= 378/18
x= 21
题:18 x + 95 = 473
18 x = 473-95
x= 378/18
x= 21
题:18 x + 99 = 585
18 x = 585-99
x= 486/18
x= 27
题:18 x + 90 = 594
18 x = 594-90
x= 504/18
x= 28
题:19 x + 95 = 532
19 x = 532-95
x= 437/19
x= 23
题:19 x + 96 = 533
19 x = 533-96
x= 437/19
x= 23
题:19 x + 92 = 643
19 x = 643-92
x= 551/19
x= 29
题:19 x + 93 = 644
19 x = 644-93
x= 551/19
x= 29
题:19 x + 94 = 645
19 x = 645-94
x= 551/19
x= 29
题:19 x + 95 = 646
19 x = 646-95
x= 551/19
x= 29
题:19 x + 96 = 647
19 x = 647-96
x= 551/19
x= 29
题:19 x + 97 = 648
19 x = 648-97
x= 551/19
x= 29
题:19 x + 98 = 649
19 x = 649-98
x= 551/19
x= 29
题:19 x + 99 = 650
19 x = 650-99
x= 551/19
x= 29请采纳

2x+1=0,2x=-1,x=-1/2