-2(r-4)=-8

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Solution for -2(r-4)=-8 equation: 



-2(r-4)=-8

We move all terms to the left:

-2(r-4)-(-8)=0

We add all the numbers together, and all the variables

-2(r-4)+8=0

We multiply parentheses

-2r+8+8=0

We add all the numbers together, and all the variables

-2r+16=0

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

-2r=-16

r=-16/-2

r=+8

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