-15-7a=-2+5a+11

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Solution for -15-7a=-2+5a+11 equation: 



-15-7a=-2+5a+11

We move all terms to the left:

-15-7a-(-2+5a+11)=0

We add all the numbers together, and all the variables

-7a-(5a+9)-15=0

We get rid of parentheses

-7a-5a-9-15=0

We add all the numbers together, and all the variables

-12a-24=0

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

-12a=24

a=24/-12

a=-2

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