28=r/3

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Solution for 28=r/3 equation: 



28=r/3

We move all terms to the left:

28-(r/3)=0

We add all the numbers together, and all the variables

-(+r/3)+28=0

We get rid of parentheses

-r/3+28=0

We multiply all the terms by the denominator


-r+28*3=0

We add all the numbers together, and all the variables

-1r+84=0

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

-r=-84

r=-84/-1

r=+84

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