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

We get rid of parentheses

1a-(-7a+15))-3+2=0

We add all the numbers together, and all the variables

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

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