-50=5(r+7)

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Solution for -50=5(r+7) equation: 



-50=5(r+7)

We move all terms to the left:

-50-(5(r+7))=0



We calculate terms in parentheses: -(5(r+7)), so:

5(r+7)

We multiply parentheses

5r+35

Back to the equation:

-(5r+35)



We get rid of parentheses

-5r-35-50=0

We add all the numbers together, and all the variables

-5r-85=0

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

-5r=85

r=85/-5

r=-17

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