4/x-3=12/x+1

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Solution for 4/x-3=12/x+1 equation: 



4/x-3=12/x+1

We move all terms to the left:

4/x-3-(12/x+1)=0



Domain of the equation: x!=0

x∈R





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

x∈R



We get rid of parentheses

4/x-12/x-1-3=0

We multiply all the terms by the denominator


-1*x-3*x+4-12=0

We add all the numbers together, and all the variables

-4x-8=0

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

-4x=8

x=8/-4

x=-2

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