3r+18=6r+6

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Solution for 3r+18=6r+6 equation: 



3r+18=6r+6

We move all terms to the left:

3r+18-(6r+6)=0

We get rid of parentheses

3r-6r-6+18=0

We add all the numbers together, and all the variables

-3r+12=0

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

-3r=-12

r=-12/-3

r=+4

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