a-2=3a+12

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



a-2=3a+12

We move all terms to the left:

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

We get rid of parentheses

a-3a-12-2=0

We add all the numbers together, and all the variables

-2a-14=0

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

-2a=14

a=14/-2

a=-7

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