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

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



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

We move all terms to the left:

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



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

x∈R



We multiply all the terms by the denominator


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



We calculate terms in parentheses: -((x-1)+3*(x+1)), so:

(x-1)+3*(x+1)

We multiply parentheses

(x-1)+3x+3

We get rid of parentheses

x+3x-1+3

We add all the numbers together, and all the variables

4x+2

Back to the equation:

-(4x+2)



We get rid of parentheses

-4x-2=0

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

-4x=2

x=2/-4

x=-1/2

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