9r+1=2r+22

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Solution for 9r+1=2r+22 equation: 



9r+1=2r+22

We move all terms to the left:

9r+1-(2r+22)=0

We get rid of parentheses

9r-2r-22+1=0

We add all the numbers together, and all the variables

7r-21=0

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

7r=21

r=21/7

r=3

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