-5=a-12

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Solution for -5=a-12 equation: 



-5=a-12

We move all terms to the left:

-5-(a-12)=0

We get rid of parentheses

-a+12-5=0

We add all the numbers together, and all the variables

-1a+7=0

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

-a=-7

a=-7/-1

a=+7

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