-3r=15r+2

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Solution for -3r=15r+2 equation: 



-3r=15r+2

We move all terms to the left:

-3r-(15r+2)=0

We get rid of parentheses

-3r-15r-2=0

We add all the numbers together, and all the variables

-18r-2=0

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

-18r=2

r=2/-18

r=-1/9

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