-112=-7(8+a)

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Solution for -112=-7(8+a) equation: 



-112=-7(8+a)

We move all terms to the left:

-112-(-7(8+a))=0

We add all the numbers together, and all the variables

-(-7(a+8))-112=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

7a+56-112=0

We add all the numbers together, and all the variables

7a-56=0

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

7a=56

a=56/7

a=8

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