12+a-2+2a=a-6

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Solution for 12+a-2+2a=a-6 equation: 



12+a-2+2a=a-6

We move all terms to the left:

12+a-2+2a-(a-6)=0

We add all the numbers together, and all the variables

3a-(a-6)+10=0

We get rid of parentheses

3a-a+6+10=0

We add all the numbers together, and all the variables

2a+16=0

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

2a=-16

a=-16/2

a=-8

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