初一上册《一元一次方程》计算题.doc

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一元一次方程计算题
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(1)7(2x-1)-3(4x-1)=4: .
一元一次方程计算题
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(1)7(2x-1)-3(4x-1)=4(3x+2)-1;
(2)(5y+1)+(1-y)=(9y+1)+(1-3y);
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(3)[(1/4x-3)-4]=x+2;
(4)20%+(1-20%)(320-x)=320X
(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)
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(9)3(x-7)-2[9-4(2-x)]=22
(10)3/2[2/3(1/4x-1)-2]-x=2
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(11)2x-=15
(12)-(1-)x=80
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(13)x/2+3x/2=7
(14)3x+7=32-2x
(15)3x+5(138-x)=540
(16)3x-7(x-1)=3-2(x+3)
(17)18x+3x-3=18-2(2x-1)
(19)-(x/4-1)=5
(18)3(20-y)=6y-4(y-11)
3 (20)3[4(5y-1)-8]=6
1(21)-x23-x；
4 4
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(22)(x+1)-3(x-1)=1-3x;
(23)(x-2)-2(4x-1)=3(1-x).
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3x14x2,
x4
x2
1
(x5)
(24)25
(25)5
2
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x3x3
(26)36

；(27)

4x

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4

5
(28)[