-7(r=8)=-14

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Solution for -7(r=8)=-14 equation: 



-7(r=8)=-14

We move all terms to the left:

-7(r-(8))=0

We multiply parentheses

-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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