2-3r=-9r+9-r

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



2-3r=-9r+9-r

We move all terms to the left:

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

We add all the numbers together, and all the variables

-3r-(-10r+9)+2=0

We get rid of parentheses

-3r+10r-9+2=0

We add all the numbers together, and all the variables

7r-7=0

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

7r=7

r=7/7

r=1

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