12=32+-9n

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Solution for 12=32+-9n equation: 



12=32+-9n

We move all terms to the left:

12-(32+-9n)=0

We add all the numbers together, and all the variables

-(-9n)+12=0

We get rid of parentheses

9n+12=0

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

9n=-12

n=-12/9

n=-1+1/3

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