-2r=9-3r

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Solution for -2r=9-3r equation: 



-2r=9-3r

We move all terms to the left:

-2r-(9-3r)=0

We add all the numbers together, and all the variables

-2r-(-3r+9)=0

We get rid of parentheses

-2r+3r-9=0

We add all the numbers together, and all the variables

r-9=0

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

r=9

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