x/x-1+2=5/x-1怎么做?

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x/x-1+2=5/x-1怎么做?x/x-1+2=5/x-1怎么做?x/x-1+2=5/x-1怎么做?x/(x-1)+(2x-2)/(x-1)=5/(x-1)(3x-2)/(x-1)=5/(x-1)(

x/x-1+2=5/x-1怎么做?
x/x-1+2=5/x-1怎么做?

x/x-1+2=5/x-1怎么做?
x/(x-1) + (2x-2)/(x-1) = 5/(x-1)
(3x-2)/(x-1) =5/(x-1)
(3x-2)(x-1)=5(x-1)
3 乘于 x的平方 -10x+7=0
(x-1)(3x-7)=0
因为x不等于1(x-1是分母)
所以x=7/3

原题不清楚,应该是x=7/3