-6(2r+6)=-84

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Solution for -6(2r+6)=-84 equation: 



-6(2r+6)=-84

We move all terms to the left:

-6(2r+6)-(-84)=0

We add all the numbers together, and all the variables

-6(2r+6)+84=0

We multiply parentheses

-12r-36+84=0

We add all the numbers together, and all the variables

-12r+48=0

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

-12r=-48

r=-48/-12

r=+4

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