解一元一次方程计算题专练.docx

文档介绍：解一元一次方程计算题专练
(3) [(1/4x-3)-4]=x+2;
(1) 7(2x-1)-3(4x-1)=4(3x+2)-1; (2) (5y+1)+ (1-y)= (9y+1)+(1-3y);
(4) 20%+(1 -20%)(解一元一次方程计算题专练
(3) [(1/4x-3)-4]=x+2;
(1) 7(2x-1)-3(4x-1)=4(3x+2)-1; (2) (5y+1)+ (1-y)= (9y+1)+(1-3y);
(4) 20%+(1 -20%)(320-x)=320x40% (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) 2x-=15
(12) -(1-)x=80
(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)
(18) 3(20-y)=6y-4(y-11) (19) -(x/4-1)=5
(20) 3[4(5y-1)-8]=6
(21)
(22) (x+1)—3(x—1)=1—3x;
(23)
(x-2)-2(4x-1)=3(1-x).
3x -1 _ 4x + 2 ]
(24) 2 5

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