(x+5)/(x-7)=12

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Solution for (x+5)/(x-7)=12 equation: 



(x+5)/(x-7)=12

We move all terms to the left:

(x+5)/(x-7)-(12)=0



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

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

x!=7

x∈R



We multiply all the terms by the denominator


(x+5)-12*(x-7)=0

We multiply parentheses

(x+5)-12x+84=0

We get rid of parentheses

x-12x+5+84=0

We add all the numbers together, and all the variables

-11x+89=0

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

-11x=-89

x=-89/-11

x=8+1/11

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