-9+10r=6r+9+2r

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Solution for -9+10r=6r+9+2r equation: 



-9+10r=6r+9+2r

We move all terms to the left:

-9+10r-(6r+9+2r)=0

We add all the numbers together, and all the variables

10r-(8r+9)-9=0

We get rid of parentheses

10r-8r-9-9=0

We add all the numbers together, and all the variables

2r-18=0

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

2r=18

r=18/2

r=9

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