(1)2x+3-2(x+5)=x (2)2(2x-1)-(x-3)=1 (3)8x-2(1-x)=7x-3(x-1) (

sgzhhy2022-10-04 11:39:541条回答

(1)2x+3-2(x+5)=x (2)2(2x-1)-(x-3)=1 (3)8x-2(1-x)=7x-3(x-1) (4)2(10-0.5y)=-(1.5y-2)
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veifeng 共回答了19个问题 | 采纳率73.7%
(1)2x+3-2(x+5)=x (2)2(2x-1)-(x-3)=1 (3)8x-2(1-x)=7x-3(x-1)
2x+3-2x-10=x 4x-2-x+3=1 10x-2=4x+3
-7=x x=0 x=5/6
(4)2(10-0.5y)=-(1.5y-2)
20-y=-1.5y+2
0.5y=-18
y=-36
1年前

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