问题描述:
2(x+1)等于6 4(x-1)等于1-x 3-(1+2x)等于-2 3(2x-1)-2(1-x)
2(x+1)等于6
4(x-1)等于1-x
3-(1+2x)等于-2
3(2x-1)-2(1-x)=0
2(x+1)等于6
4(x-1)等于1-x
3-(1+2x)等于-2
3(2x-1)-2(1-x)=0
问题解答:
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