6r+18=3r+54

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Solution for 6r+18=3r+54 equation: 



6r+18=3r+54

We move all terms to the left:

6r+18-(3r+54)=0

We get rid of parentheses

6r-3r-54+18=0

We add all the numbers together, and all the variables

3r-36=0

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

3r=36

r=36/3

r=12

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