20=r+11r=

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Solution for 20=r+11r= equation: 



20=r+11r=

We move all terms to the left:

20-(r+11r)=0

We add all the numbers together, and all the variables

-(+12r)+20=0

We get rid of parentheses

-12r+20=0

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

-12r=-20

r=-20/-12

r=1+2/3

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