4(3a+3)=84

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Solution for 4(3a+3)=84 equation: 



4(3a+3)=84

We move all terms to the left:

4(3a+3)-(84)=0

We multiply parentheses

12a+12-84=0

We add all the numbers together, and all the variables

12a-72=0

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

12a=72

a=72/12

a=6

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