-8(r+90)=8

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Solution for -8(r+90)=8 equation: 



-8(r+90)=8

We move all terms to the left:

-8(r+90)-(8)=0

We multiply parentheses

-8r-720-8=0

We add all the numbers together, and all the variables

-8r-728=0

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

-8r=728

r=728/-8

r=-91

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