9r+2=10r

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Solution for 9r+2=10r equation: 



9r+2=10r

We move all terms to the left:

9r+2-(10r)=0

We add all the numbers together, and all the variables

-1r+2=0

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

-r=-2

r=-2/-1

r=+2

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