39-7a=8a-8(3a+3)

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Solution for 39-7a=8a-8(3a+3) equation: 



39-7a=8a-8(3a+3)

We move all terms to the left:

39-7a-(8a-8(3a+3))=0



We calculate terms in parentheses: -(8a-8(3a+3)), so:

8a-8(3a+3)

We multiply parentheses

8a-24a-24

We add all the numbers together, and all the variables

-16a-24

Back to the equation:

-(-16a-24)



We get rid of parentheses

-7a+16a+24+39=0

We add all the numbers together, and all the variables

9a+63=0

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

9a=-63

a=-63/9

a=-7

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