(3a+3)-(4a-8)=7

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Solution for (3a+3)-(4a-8)=7 equation: 



(3a+3)-(4a-8)=7

We move all terms to the left:

(3a+3)-(4a-8)-(7)=0

We get rid of parentheses

3a-4a+3+8-7=0

We add all the numbers together, and all the variables

-1a+4=0

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

-a=-4

a=-4/-1

a=+4

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