27-18r=-99

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Solution for 27-18r=-99 equation: 



27-18r=-99

We move all terms to the left:

27-18r-(-99)=0

We add all the numbers together, and all the variables

-18r+126=0

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

-18r=-126

r=-126/-18

r=+7

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