3a+12+5a=8a-2a

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Solution for 3a+12+5a=8a-2a equation: 



3a+12+5a=8a-2a

We move all terms to the left:

3a+12+5a-(8a-2a)=0

We add all the numbers together, and all the variables

3a+5a-(+6a)+12=0

We add all the numbers together, and all the variables

8a-(+6a)+12=0

We get rid of parentheses

8a-6a+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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