6=r+21/6

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Solution for 6=r+21/6 equation: 



6=r+21/6

We move all terms to the left:

6-(r+21/6)=0

We add all the numbers together, and all the variables

-(+r+21/6)+6=0

We get rid of parentheses

-r+6-21/6=0

We multiply all the terms by the denominator


-r*6-21+6*6=0

We add all the numbers together, and all the variables

-r*6+15=0

Wy multiply elements

-6r+15=0

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

-6r=-15

r=-15/-6

r=2+1/2

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