-3-a+2=7a+15

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Solution for -3-a+2=7a+15 equation: 



-3-a+2=7a+15

We move all terms to the left:

-3-a+2-(7a+15)=0

We add all the numbers together, and all the variables

-1a-(7a+15)-1=0

We get rid of parentheses

-1a-7a-15-1=0

We add all the numbers together, and all the variables

-8a-16=0

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

-8a=16

a=16/-8

a=-2

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