11r+2=20+2r

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Solution for 11r+2=20+2r equation: 



11r+2=20+2r

We move all terms to the left:

11r+2-(20+2r)=0

We add all the numbers together, and all the variables

11r-(2r+20)+2=0

We get rid of parentheses

11r-2r-20+2=0

We add all the numbers together, and all the variables

9r-18=0

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

9r=18

r=18/9

r=2

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