-15+5a=8a+2+7

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Solution for -15+5a=8a+2+7 equation: 



-15+5a=8a+2+7

We move all terms to the left:

-15+5a-(8a+2+7)=0

We add all the numbers together, and all the variables

5a-(8a+9)-15=0

We get rid of parentheses

5a-8a-9-15=0

We add all the numbers together, and all the variables

-3a-24=0

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

-3a=24

a=24/-3

a=-8

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