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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

16r+28+84=0

We add all the numbers together, and all the variables

16r+112=0

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

16r=-112

r=-112/16

r=-7

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