(5+7)/x=2

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Solution for (5+7)/x=2 equation: 



(5+7)/x=2

We move all terms to the left:

(5+7)/x-(2)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

12/x-2=0

We multiply all the terms by the denominator


-2*x+12=0

We add all the numbers together, and all the variables

-2x+12=0

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

-2x=-12

x=-12/-2

x=+6

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