101=2+9r

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Solution for 101=2+9r equation: 



101=2+9r

We move all terms to the left:

101-(2+9r)=0

We add all the numbers together, and all the variables

-(9r+2)+101=0

We get rid of parentheses

-9r-2+101=0

We add all the numbers together, and all the variables

-9r+99=0

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

-9r=-99

r=-99/-9

r=+11

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