12=a/5-7

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Solution for 12=a/5-7 equation: 



12=a/5-7

We move all terms to the left:

12-(a/5-7)=0

We get rid of parentheses

-a/5+7+12=0

We multiply all the terms by the denominator


-a+7*5+12*5=0

We add all the numbers together, and all the variables

-1a+95=0

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

-a=-95

a=-95/-1

a=+95

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