-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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