-28+17a=-7(8+a)

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Solution for -28+17a=-7(8+a) equation: 



-28+17a=-7(8+a)

We move all terms to the left:

-28+17a-(-7(8+a))=0

We add all the numbers together, and all the variables

17a-(-7(a+8))-28=0



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

-7(a+8)

We multiply parentheses

-7a-56

Back to the equation:

-(-7a-56)



We get rid of parentheses

17a+7a+56-28=0

We add all the numbers together, and all the variables

24a+28=0

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

24a=-28

a=-28/24

a=-1+1/6

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