6r+11=21r=

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Solution for 6r+11=21r= equation: 



6r+11=21r=

We move all terms to the left:

6r+11-(21r)=0

We add all the numbers together, and all the variables

-15r+11=0

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

-15r=-11

r=-11/-15

r=11/15

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