6r-18=r+12

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Solution for 6r-18=r+12 equation: 



6r-18=r+12

We move all terms to the left:

6r-18-(r+12)=0

We get rid of parentheses

6r-r-12-18=0

We add all the numbers together, and all the variables

5r-30=0

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

5r=30

r=30/5

r=6

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