初一数学一元一次方程计算题 求初一解一元一次方程计算题300题
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8x+5+30x=x(5+3)
7x+6x+3x=65x+69
65x*145-1=25x
5x+5x-7x=62x+100
5x+6-12=36
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7(2x-1)-3(4x-1)=4(3x+2)-1;
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
20%+(1-20%)(320-x)=320\u00d740%
2(x-2)+2=x+1
2(x-2)-3(4x-1)=9(1-x)
x/3 -5 = (5-x)/2
2(x+1) /3=5(x+1) /6 -1
(1/5)x +1 =(2x+1)/4
(5-2)/2 - (4+x)/3 =1
x/3 -1 = (1-x)/2
(x-2)/2 - (3x-2)/4 =-1
11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
3/2[2/3(1/4x-1)-2]-x=2
2(x-2)-3(4x-1)=9(1-x)
11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
3/2[2/3(1/4x-1)-2]-x=2
2(x-2)+2=x+1
1.7(2x-1)-3(4x-1)=4(3x+2)-1
2.(5y+1)+ (1-y)= (9y+1)+ (1-3y)
3.[ (- 2)-4 ]=x+2
4.20%+(1-20%)(320-x)=320\u00d740%
5.2(x-2)+2=x+1
6.2(x-2)-3(4x-1)=9(1-x)
7.11x+64-2x=100-9x
8.15-(8-5x)=7x+(4-3x)
9.3(x-7)-2[9-4(2-x)]=22
10.3/2[2/3(1/4x-1)-2]-x=2
11.5x+1-2x=3x-2
12.3y-4=2y+1
13.87X*13=5
14.7Z/93=41
15.15X+863-65X=54
16.58Y*55=27489
17.2\uff08x+2\uff09+4=9
18.2(x+4)=10
19.3(x-5)=18
20.4x+8=2(x-1)
21.3(x+3)=9+x
22.6(x/2+1)=12
23.9(x+6)=63
24.2+x=2(x-1/2)
25.8x+3(1-x)=-2
26.7+x-2(x-1)=1
27.x/3 -5 = (5-x)/2
28.2(x+1) /3=5(x+1) /6 -1
29.(1/5)x +1 =(2x+1)/4
30.(5-2)/2 - (4+x)/3 =1
15x-8(5x+1.5)=18*1.25+x
3X+189=521
4Y+119=22
3X*189=5
8Z/6=458
3X+77=59
4Y-6985=81
87X*13=5
7Z/93=41
15X+863-65X=54
58Y*55=27489
1. 2(x-2)-3(4x-1)=9(1-x)
2. 11x+64-2x=100-9x
3. 15-(8-5x)=7x+(4-3x)
4. 3(x-7)-2[9-4(2-x)]=22
5. 3/2[2/3(1/4x-1)-2]-x=2
6. 2(x-2)+2=x+1
7. 0.4(x-0.2)+1.5=0.7x-0.38
8. 30x-10(10-x)=100
9. 4(x+2)=5(x-2)
10. 120-4(x+5)=25
11. 15x+863-65x=54
12. 12.3(x-2)+1=x-(2x-1)
13. 11x+64-2x=100-9x
14. 14.59+x-25.31=0
15. x-48.32+78.51=80
16. 820-16x=45.5\u00d78
17. (x-6)\u00d77=2x
18. 3x+x=18
19. 0.8+3.2=7.2
20. 12.5-3x=6.5
21. 1.2(x-0.64)=0.54
22. x+12.5=3.5x
23. 8x-22.8=1.2
24. 1\ 50x+10=60
25. 2\ 60x-30=20
26. 3\ 3^20x+50=110
27. 4\ 2x=5x-3
28. 5\ 90=10+x
29. 6\ 90+20x=30
30. 7\ 691+3x=700
1 2x-10.3x=15
2 0.52x-(1-0.52)x=80
3 x/2+3x/2=7
4 3x+7=32-2x
5 3x+5(138-x)=540
6 3x-7(x-1)=3-2(x+3)
7 18x+3x-3=18-2(2x-1)
8 3(20-y)=6y-4(y-11)
9 -(x/4-1)=5
10 3[4(5y-1)-8]=6
3X+5X=48 14X-8X=12 6*5+2X=44
20X-50=50 28+6X=88 32-22X=10
24-3X=3 10X*\uff085+1\uff09=60 99X=100-X
X+3=18 X-6=12 56-2X=20
4y+2=6 x+32=76 3x+6=18
16+8x=40 2x-8=8 4x-3*9=29
8x-3x=105 x-6*5=42 x+5=7
2x+3=10 12x-9x=9 6x+18=48
56x-50x=30 5x=15 78-5x=28
32y-29=3 5x+5=15 89x-9=80
100-20x=20 55x-25x=60 76y-75=1
23y-23=23 4x-20=0 80y+20=100
53x-90=16 2x+9x=11 12y-12=24
80+5x=100 7x-8=6 65x+35=100
19y+y=40 25-5x=15 79y+y=80
42x+28x=140 3x-1=8 90y-90=90
80y-90=70 78y+2y=160 88-x=80
9-4x=1 20x=40 65y-30=100
51y-y=100 85y+1=-86 45x-50=40
3X+18=52 x=34/3
4Y+11=22 y=11/4
3X*9=5 x=5/27
8Z/6=48 z=36
3X+7=59 x=52/3
4Y-69=81 y=75/4
8X*6=5 x=5/48
7Z/9=4 y=63/7
15X+8-5X=54 x=4.6
5Y*5=27 y=27/40
8x+2=10 x=1
x*8=88 x=11
y-90=1 y=91
2x-98=2 x=50
6x*6=12 x=1/3
5-6=5x x=-1/5
6*x=42 x=7
55-y=33 y=22
11*3x=60 x=20/11
8-y=2 y=-6
1.x+2=3
2.x+32=33
3.x+6=18
4.4+x=47
5.19-x=8
6.98-x=13
7.66-x=10
8.5x=10
9.3x=27
10.7x=7
11.8x=8
12.9x=9
13.10x=100
14.66x=660
15.7x=49
16.2x=4
17.3x=9
18.4x=16
19.5x=25
20.6x=36
21.8x=64
22.9x=81
23.10x=100
24.11x=121
25.12x=144
26.13x=169
27.14x=196
28.15x=225
29.16x=256
30.17x=289
31.18x=324
32.19x=361
33.20x=400
31.21x=441
32.22x=484
33.111x=12321
34.1111x=1234321
35.11111x=123454321
36.111111x=12345654321
37.46/x=23
38.64/x=8
39.99/x=11
40.1235467564x=0
41.2x+1= -2+x
42.4x-3(20-x)=3
43.\uff0e-2(x-1)=4
44.3X+189=521
45.4Y+119=22 5
46.3X+77=59
47.4Y-6985=81
48.X=0.1
49.5X=55.5
50.Y=50-85
25x+y=1200
答案：x=48 y=47
(2) 18x+23y=2303
74x-y=1998
答案：x=27 y=79
(3) 44x+90y=7796
44x+y=3476
答案：x=79 y=48
(4) 76x-66y=4082
30x-y=2940
答案：x=98 y=51
(5) 67x+54y=8546
71x-y=5680
答案：x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
答案：x=75 y=48
(7) 47x-40y=853
34x-y=2006
答案：x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
答案：x=66 y=95
(9) 97x+24y=7202
58x-y=2900
答案：x=50 y=98
(10) 42x+85y=6362
63x-y=1638
答案：x=26 y=62
(11) 85x-92y=-2518
27x-y=486
答案：x=18 y=44
(12) 79x+40y=2419
56x-y=1176
答案：x=21 y=19
(13) 80x-87y=2156
22x-y=880
答案：x=40 y=12
(14) 32x+62y=5134
57x+y=2850
答案：x=50 y=57
(15) 83x-49y=82
59x+y=2183
答案：x=37 y=61
(16) 91x+70y=5845
95x-y=4275
答案：x=45 y=25
(17) 29x+44y=5281
88x-y=3608
答案：x=41 y=93
(18) 25x-95y=-4355
40x-y=2000
答案：x=50 y=59
(19) 54x+68y=3284
78x+y=1404
答案：x=18 y=34
(20) 70x+13y=3520
52x+y=2132
答案：x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案：x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案：x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案：x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案：x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案：x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案：x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案：x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案：x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案：x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案：x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案：x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案：x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案：x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案：x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案：x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案：x=17 y=36
(37) 33x+59y=3254
94x+y=1034
答案：x=11 y=49
(38) 89x-74y=-2735
68x+y=1020
答案：x=15 y=55
(39) 94x+71y=7517
78x+y=3822
答案：x=49 y=41
(40) 28x-62y=-4934
46x+y=552
答案：x=12 y=85
(41) 75x+43y=8472
17x-y=1394
答案：x=82 y=54
(42) 41x-38y=-1180
29x+y=1450
答案：x=50 y=85
(43) 22x-59y=824
63x+y=4725
答案：x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案：x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案：x=16 y=45
(46) 93x+12y=8823
54x+y=4914
答案：x=91 y=30
(47) 21x-63y=84
20x+y=1880
答案：x=94 y=30
(48) 48x+93y=9756
38x-y=950
答案：x=25 y=92
(49) 99x-67y=4011
75x-y=5475
答案：x=73 y=48
(50) 83x+64y=9291
90x-y=3690
答案：x=41 y=92
一元一次：
1)12（2-3X）=4X+4
24-36X=4X+4
-40X=-20
X=1/2
(2)6-3（X+2/3）=2/3
6-3X-2=2/3
-3X=-10/3
X=10/9
(3)2（200-15X）=70+25X
400-30X=70+25X
-55X=-330
X=6
(4)3（2X+1）=12
6X+3=12
6X=9
X=3/2
(5)1/4X-1/2=3/4
(1/4)X=5/4
X=5
(6)7X-5/4 =3/8
7X=13/8
X=13/56
(7)2X-1/6 = 5X+1/8
-3X=7/24
X=-7/72
(8)(1/2)X-7 = 9X-2/6
-(17/2)X=20/3
X=-20/51
(9)(1/5)X-1/2（3-2X）=1
(1/5)X-3/2+X=1
(6/5)X=5/2
X=25/12
(10)2X+(1/3)-5X-(1/6)=1
-3X+(1/6)=1
-3X=5/6
X=-5/18
(11)1/7（2X+14)=4-2X
(2/7)X+2=4-2X
(16/7)X=2
X=7/8
(12)3/10（200+X)-2/10(300-X)=300*9/25
60+(3/10)X-60+(1/5)X=108
(1/2)X=108
X=216
三元一次：
（1）3x-y+z=3
2x+y-3z=11
5x+4z=14
3x-y+z=3
x+y+z=12
4x+2z=15
8x+4z=30
3x=16,x=16/3,z=(15-64/3)/2=-19/6
y=12-16/3+19/6=(72-32+19)/6=59/6
(2)8x+2y-2z=24
3x+2y+z=5
5x-3z=19
3x+2y+z=5
2x-2y+10z=2
5x+11z=7
5x-3z=19
14z=-12,z=-6/7,5x=19+18/7=151/7,x=151/35
y=x+5z-1=151/35-150/35-1=-34/35
(3)
z=3x-1,y=3z-4=9x-3-4=9x-7
2x+63x-49=3,65x=46
（4）
x+y=3 2x-y+2z=2 x-y-z=3
y=3-x,x-3+x-z=3,z=2x-6
2x-3+x+4x-12=2,7x=15+2=17,
（5）
x-2y-3z=-18 x+3y-2z-8=0 x+y+2z-24=0
x+y+2z=24
3y+5z=42
x+3y-2z=8
x+y+2z=24
-2y+4z=16
6y+10z=84
-6y+12z=48
22z=132,,z=6,,3y=42-30,y=4
x=24-4-12=8
别介意哈，我复制来的！
1) 66x+17y=3967
25x+y=1200
答案：x=48 y=47
(2) 18x+23y=2303
74x-y=1998
答案：x=27 y=79
(3) 44x+90y=7796
44x+y=3476
答案：x=79 y=48
(4) 76x-66y=4082
30x-y=2940
答案：x=98 y=51
(5) 67x+54y=8546
71x-y=5680
答案：x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
答案：x=75 y=48
(7) 47x-40y=853
34x-y=2006
答案：x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
答案：x=66 y=95
(9) 97x+24y=7202
58x-y=2900
答案：x=50 y=98
(10) 42x+85y=6362
63x-y=1638
答案：x=26 y=62
(11) 85x-92y=-2518
27x-y=486
答案：x=18 y=44
(12) 79x+40y=2419
56x-y=1176
答案：x=21 y=19
(13) 80x-87y=2156
22x-y=880
答案：x=40 y=12
(14) 32x+62y=5134
57x+y=2850
答案：x=50 y=57
(15) 83x-49y=82
59x+y=2183
答案：x=37 y=61
(16) 91x+70y=5845
95x-y=4275
答案：x=45 y=25
(17) 29x+44y=5281
88x-y=3608
答案：x=41 y=93
(18) 25x-95y=-4355
40x-y=2000
答案：x=50 y=59
(19) 54x+68y=3284
78x+y=1404
答案：x=18 y=34
(20) 70x+13y=3520
52x+y=2132
答案：x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案：x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案：x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案：x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案：x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案：x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案：x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案：x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案：x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案：x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案：x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案：x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案：x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案：x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案：x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案：x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案：x=17 y=36
(37) 33x+59y=3254
94x+y=1034
答案：x=11 y=49
(38) 89x-74y=-2735
68x+y=1020
答案：x=15 y=55
(39) 94x+71y=7517
78x+y=3822
答案：x=49 y=41
(40) 28x-62y=-4934
46x+y=552
答案：x=12 y=85
(41) 75x+43y=8472
17x-y=1394
答案：x=82 y=54
(42) 41x-38y=-1180
29x+y=1450
答案：x=50 y=85
(43) 22x-59y=824
63x+y=4725
答案：x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案：x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案：x=16 y=45
(46) 93x+12y=8823
54x+y=4914
答案：x=91 y=30
(47) 21x-63y=84
20x+y=1880
答案：x=94 y=30
(48) 48x+93y=9756
38x-y=950
答案：x=25 y=92
(49) 99x-67y=4011
75x-y=5475
答案：x=73 y=48
(50) 83x+64y=9291
90x-y=3690
答案：x=41 y=92
一元一次：
1)12（2-3X）=4X+4
24-36X=4X+4
-40X=-20
X=1/2
(2)6-3（X+2/3）=2/3
6-3X-2=2/3
-3X=-10/3
X=10/9
(3)2（200-15X）=70+25X
400-30X=70+25X
-55X=-330
X=6
(4)3（2X+1）=12
6X+3=12
6X=9
X=3/2
(5)1/4X-1/2=3/4
(1/4)X=5/4
X=5
(6)7X-5/4 =3/8
7X=13/8
X=13/56
(7)2X-1/6 = 5X+1/8
-3X=7/24
X=-7/72
(8)(1/2)X-7 = 9X-2/6
-(17/2)X=20/3
X=-20/51
(9)(1/5)X-1/2（3-2X）=1
(1/5)X-3/2+X=1
(6/5)X=5/2
X=25/12
(10)2X+(1/3)-5X-(1/6)=1
-3X+(1/6)=1
-3X=5/6
X=-5/18
(11)1/7（2X+14)=4-2X
(2/7)X+2=4-2X
(16/7)X=2
X=7/8
(12)3/10（200+X)-2/10(300-X)=300*9/25
60+(3/10)X-60+(1/5)X=108
(1/2)X=108
X=216
三元一次：
（1）3x-y+z=3
2x+y-3z=11
5x+4z=14
3x-y+z=3
x+y+z=12
4x+2z=15
8x+4z=30
3x=16,x=16/3,z=(15-64/3)/2=-19/6
y=12-16/3+19/6=(72-32+19)/6=59/6
(2)8x+2y-2z=24
3x+2y+z=5
5x-3z=19
3x+2y+z=5
2x-2y+10z=2
5x+11z=7
5x-3z=19
14z=-12,z=-6/7,5x=19+18/7=151/7,x=151/35
y=x+5z-1=151/35-150/35-1=-34/35
(3)
z=3x-1,y=3z-4=9x-3-4=9x-7
2x+63x-49=3,65x=46
（4）
x+y=3 2x-y+2z=2 x-y-z=3
y=3-x,x-3+x-z=3,z=2x-6
2x-3+x+4x-12=2,7x=15+2=17,
（5）
x-2y-3z=-18 x+3y-2z-8=0 x+y+2z-24=0
x+y+2z=24
3y+5z=42
x+3y-2z=8
x+y+2z=24
-2y+4z=16
6y+10z=84
-6y+12z=48
22z=132,,z=6,,3y=42-30,y=4
x=24-4-12=8
(6)
x=2y 2x+y+2z=1 2x-z=7
z=2x-7,y=x/2
4x-14+2x+x/2=1
13x/2=15,x=30/13,
y=15/13
z=60/13-7=-31/13
(1) 66x+17y=3967
25x+y=1200
答案：x=48 y=47
(2) 18x+23y=2303
74x-y=1998
答案：x=27 y=79
(3) 44x+90y=7796
44x+y=3476
答案：x=79 y=48
(4) 76x-66y=4082
30x-y=2940
答案：x=98 y=51
(5) 67x+54y=8546
71x-y=5680
答案：x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
答案：x=75 y=48
(7) 47x-40y=853
34x-y=2006
答案：x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
答案：x=66 y=95
(9) 97x+24y=7202
58x-y=2900
答案：x=50 y=98
(10) 42x+85y=6362
63x-y=1638
答案：x=26 y=62
x+3=18;3x=12;1.5x+18=15....
6x-7=4x-5
2/1x-6=4/3x
2x+3x+4x=18 x+3x=-16
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