-2a+3=a+12

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Solution for -2a+3=a+12 equation: 



-2a+3=a+12

We move all terms to the left:

-2a+3-(a+12)=0

We get rid of parentheses

-2a-a-12+3=0

We add all the numbers together, and all the variables

-3a-9=0

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

-3a=9

a=9/-3

a=-3

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