-7(r+45)=84

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Solution for -7(r+45)=84 equation: 



-7(r+45)=84

We move all terms to the left:

-7(r+45)-(84)=0

We multiply parentheses

-7r-315-84=0

We add all the numbers together, and all the variables

-7r-399=0

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

-7r=399

r=399/-7

r=-57

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