当x取何值时,代数式x-2(1-x)与3(x-1)的值互为相反数

急啊 速答

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互为相反数的森桐和为0
所银春裤以锋简;
x-2(1-x)+3(x-1)=0
x-2+2x+3x-3=0
6x=5
x=5/6

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[x-2(1-x)]+[3(x-1)]=0
x-2+2x+3x-3=0
6x=5
x=5/6

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