-56=7(a-3)

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Solution for -56=7(a-3) equation: 



-56=7(a-3)

We move all terms to the left:

-56-(7(a-3))=0



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

7(a-3)

We multiply parentheses

7a-21

Back to the equation:

-(7a-21)



We get rid of parentheses

-7a+21-56=0

We add all the numbers together, and all the variables

-7a-35=0

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

-7a=35

a=35/-7

a=-5

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