-2(r+8)=12

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Solution for -2(r+8)=12 equation: 



-2(r+8)=12

We move all terms to the left:

-2(r+8)-(12)=0

We multiply parentheses

-2r-16-12=0

We add all the numbers together, and all the variables

-2r-28=0

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

-2r=28

r=28/-2

r=-14

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