3=(7a+2)

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



3=(7a+2)

We move all terms to the left:

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



We calculate terms in parentheses: -((7a+2)), so:

(7a+2)

We get rid of parentheses

7a+2

Back to the equation:

-(7a+2)



We get rid of parentheses

-7a-2+3=0

We add all the numbers together, and all the variables

-7a+1=0

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

-7a=-1

a=-1/-7

a=1/7

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