-3/(x-12)=7

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Solution for -3/(x-12)=7 equation: 



-3/(x-12)=7

We move all terms to the left:

-3/(x-12)-(7)=0



Domain of the equation: (x-12)!=0

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

x!=12

x∈R



We multiply all the terms by the denominator


-7*(x-12)-3=0

We multiply parentheses

-7x+84-3=0

We add all the numbers together, and all the variables

-7x+81=0

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

-7x=-81

x=-81/-7

x=11+4/7

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