3a+2=12a-25

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Solution for 3a+2=12a-25 equation: 



3a+2=12a-25

We move all terms to the left:

3a+2-(12a-25)=0

We get rid of parentheses

3a-12a+25+2=0

We add all the numbers together, and all the variables

-9a+27=0

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

-9a=-27

a=-27/-9

a=+3

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