-2(r-2)=-18

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Solution for -2(r-2)=-18 equation: 



-2(r-2)=-18

We move all terms to the left:

-2(r-2)-(-18)=0

We add all the numbers together, and all the variables

-2(r-2)+18=0

We multiply parentheses

-2r+4+18=0

We add all the numbers together, and all the variables

-2r+22=0

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

-2r=-22

r=-22/-2

r=+11

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