-4(r-7)=84

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Solution for -4(r-7)=84 equation: 



-4(r-7)=84

We move all terms to the left:

-4(r-7)-(84)=0

We multiply parentheses

-4r+28-84=0

We add all the numbers together, and all the variables

-4r-56=0

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

-4r=56

r=56/-4

r=-14

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