12=a/3-2

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Solution for 12=a/3-2 equation: 



12=a/3-2

We move all terms to the left:

12-(a/3-2)=0

We get rid of parentheses

-a/3+2+12=0

We multiply all the terms by the denominator


-a+2*3+12*3=0

We add all the numbers together, and all the variables

-1a+42=0

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

-a=-42

a=-42/-1

a=+42

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