6/x-9=3/x+12

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Solution for 6/x-9=3/x+12 equation: 



6/x-9=3/x+12

We move all terms to the left:

6/x-9-(3/x+12)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: x+12)!=0

x∈R



We get rid of parentheses

6/x-3/x-12-9=0

We multiply all the terms by the denominator


-12*x-9*x+6-3=0

We add all the numbers together, and all the variables

-21x+3=0

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

-21x=-3

x=-3/-21

x=1/7

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