2+2r+9r=10r+10

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



2+2r+9r=10r+10

We move all terms to the left:

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

We add all the numbers together, and all the variables

11r-(10r+10)+2=0

We get rid of parentheses

11r-10r-10+2=0

We add all the numbers together, and all the variables

r-8=0

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

r=8

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