-12+5a=4a-a

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Solution for -12+5a=4a-a equation: 



-12+5a=4a-a

We move all terms to the left:

-12+5a-(4a-a)=0

We add all the numbers together, and all the variables

5a-(+3a)-12=0

We get rid of parentheses

5a-3a-12=0

We add all the numbers together, and all the variables

2a-12=0

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

2a=12

a=12/2

a=6

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