2(x-2)=3(4x-9)+9(1-x) 解方程,要求写清步骤

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2(x-2)=3(4x-9)+9(1-x) 解方程,要求写清步骤
2(x-2)=3(4x-9)+9(1-x) 解方程,要求写清步骤

2(x-2)=3(4x-9)+9(1-x) 解方程,要求写清步骤
解有题知2x-4=12x-27+9-9x
即-x=-18+4
即x=14

2(x-2)=3(4x-9)+9(1-x)
2x-4=12x-27+9-9x
12x-9x-2x=27-9-4
x=14

2x-4=12x-27+9-x
9x=1
x=14/9

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