x+12/x-4=x-3

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Solution for x+12/x-4=x-3 equation: 



x+12/x-4=x-3

We move all terms to the left:

x+12/x-4-(x-3)=0



Domain of the equation: x!=0

x∈R



We get rid of parentheses

x+12/x-x+3-4=0

We multiply all the terms by the denominator


x*x-x*x+3*x-4*x+12=0

We add all the numbers together, and all the variables

-1x+x*x-x*x+12=0

Wy multiply elements

x^2-1x^2-1x+12=0

We add all the numbers together, and all the variables

-1x+12=0

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

-x=-12

x=-12/-1

x=+12

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