解方程的题(要答案)整数的如3(2x-1)+12=396x--查字典问答网
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  解方程的题(要答案)整数的如3(2x-1)+12=396x-3+12=396x+9=396x=39-96x=30x=5

  解方程的题(要答案)整数的

  如3(2x-1)+12=39

  6x-3+12=39

  6x+9=39

  6x=39-9

  6x=30

  x=5

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2020-05-1406:26
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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)=320×40%

  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)=320×40%

  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(x+2)+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=45.5×8

  17.(x-6)×7=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

  24.150x+10=60

  25.260x-30=20

  26.33^20x+50=110

  27.42x=5x-3

  28.590=10+x

  29.690+20x=30

  30.7691+3x=700

  12x-10.3x=15

  20.52x-(1-0.52)x=80

  3x/2+3x/2=7

  43x+7=32-2x

  53x+5(138-x)=540

  63x-7(x-1)=3-2(x+3)

  718x+3x-3=18-2(2x-1)

  83(20-y)=6y-4(y-11)

  9-(x/4-1)=5

  103[4(5y-1)-8]=6

2020-05-14 06:28:02
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