-2(2-r)=8

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



-2(2-r)=8

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2(-1r+2)-8=0

We multiply parentheses

2r-4-8=0

We add all the numbers together, and all the variables

2r-12=0

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

2r=12

r=12/2

r=6

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