-3-r=-2r

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



-3-r=-2r

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1r-(-2r)-3=0

We get rid of parentheses

-1r+2r-3=0

We add all the numbers together, and all the variables

r-3=0

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

r=3

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