413=7(8a+3)

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Solution for 413=7(8a+3) equation: 



413=7(8a+3)

We move all terms to the left:

413-(7(8a+3))=0



We calculate terms in parentheses: -(7(8a+3)), so:

7(8a+3)

We multiply parentheses

56a+21

Back to the equation:

-(56a+21)



We get rid of parentheses

-56a-21+413=0

We add all the numbers together, and all the variables

-56a+392=0

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

-56a=-392

a=-392/-56

a=+7

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