-165=5(8r+7)

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Solution for -165=5(8r+7) equation: 



-165=5(8r+7)

We move all terms to the left:

-165-(5(8r+7))=0



We calculate terms in parentheses: -(5(8r+7)), so:

5(8r+7)

We multiply parentheses

40r+35

Back to the equation:

-(40r+35)



We get rid of parentheses

-40r-35-165=0

We add all the numbers together, and all the variables

-40r-200=0

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

-40r=200

r=200/-40

r=-5

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