-2a-6=6a+15

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Solution for -2a-6=6a+15 equation: 



-2a-6=6a+15

We move all terms to the left:

-2a-6-(6a+15)=0

We get rid of parentheses

-2a-6a-15-6=0

We add all the numbers together, and all the variables

-8a-21=0

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

-8a=21

a=21/-8

a=-2+5/8

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