112=-7(r-8)

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Solution for 112=-7(r-8) equation: 



112=-7(r-8)

We move all terms to the left:

112-(-7(r-8))=0



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

-7(r-8)

We multiply parentheses

-7r+56

Back to the equation:

-(-7r+56)



We get rid of parentheses

7r-56+112=0

We add all the numbers together, and all the variables

7r+56=0

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

7r=-56

r=-56/7

r=-8

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