3/(x-1)=2/(x+7)

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Solution for 3/(x-1)=2/(x+7) equation: 



3/(x-1)=2/(x+7)

We move all terms to the left:

3/(x-1)-(2/(x+7))=0



Domain of the equation: (x-1)!=0

We move all terms containing x to the left, all other terms to the right

x!=1

x∈R





Domain of the equation: (x+7))!=0

x∈R



We calculate fractions


3x/((x-1)*(x+7)))+(-(2*(x-1))/((x-1)*(x+7)))=0



We calculate terms in parentheses: -(2*(x-1))/((x-1)*(x+7))), so:

2*(x-1))/((x-1)*(x+7))

We multiply all the terms by the denominator


2*(x-1))

We multiply parentheses

2x+

We add all the numbers together, and all the variables

2x

Back to the equation:

-(2x)



We add all the numbers together, and all the variables

-2x+3x/((x-1)*(x+7)))+(=0

We multiply all the terms by the denominator


-2x*((x-1)*(x+7)))+(+3x=0

We add all the numbers together, and all the variables

3x-2x*((x-1)*(x+7)))+(=0

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