-3r+r=-2r

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



-3r+r=-2r

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2r-(-2r)=0

We get rid of parentheses

-2r+2r=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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