A=4(2a+7)

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Solution for A=4(2a+7) equation: 



=4(2A+7)

We move all terms to the left:

-(4(2A+7))=0



We calculate terms in parentheses: -(4(2A+7)), so:

4(2A+7)

We multiply parentheses

8A+28

Back to the equation:

-(8A+28)



We get rid of parentheses

-8A-28=0

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

-8A=28

A=28/-8

A=-3+1/2

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