6(3a+3)=-72

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Solution for 6(3a+3)=-72 equation: 



6(3a+3)=-72

We move all terms to the left:

6(3a+3)-(-72)=0

We add all the numbers together, and all the variables

6(3a+3)+72=0

We multiply parentheses

18a+18+72=0

We add all the numbers together, and all the variables

18a+90=0

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

18a=-90

a=-90/18

a=-5

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