r-3=6r+12

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Solution for r-3=6r+12 equation: 



r-3=6r+12

We move all terms to the left:

r-3-(6r+12)=0

We get rid of parentheses

r-6r-12-3=0

We add all the numbers together, and all the variables

-5r-15=0

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

-5r=15

r=15/-5

r=-3

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