-15r+3=15-2r

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



-15r+3=15-2r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-13r-12=0

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

-13r=12

r=12/-13

r=-12/13

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