18+6r=2r+6

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Solution for 18+6r=2r+6 equation: 



18+6r=2r+6

We move all terms to the left:

18+6r-(2r+6)=0

We get rid of parentheses

6r-2r-6+18=0

We add all the numbers together, and all the variables

4r+12=0

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

4r=-12

r=-12/4

r=-3

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