-3(3+3a)=-8(a+1)

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Solution for -3(3+3a)=-8(a+1) equation: 



-3(3+3a)=-8(a+1)

We move all terms to the left:

-3(3+3a)-(-8(a+1))=0

We add all the numbers together, and all the variables

-3(3a+3)-(-8(a+1))=0

We multiply parentheses

-9a-(-8(a+1))-9=0



We calculate terms in parentheses: -(-8(a+1)), so:

-8(a+1)

We multiply parentheses

-8a-8

Back to the equation:

-(-8a-8)



We get rid of parentheses

-9a+8a+8-9=0

We add all the numbers together, and all the variables

-1a-1=0

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

-a=1

a=1/-1

a=-1

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