(3a+7)=2

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Solution for (3a+7)=2 equation: 



(3a+7)=2

We move all terms to the left:

(3a+7)-(2)=0

We get rid of parentheses

3a+7-2=0

We add all the numbers together, and all the variables

3a+5=0

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

3a=-5

a=-5/3

a=-1+2/3

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