3=r/9-3

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Solution for 3=r/9-3 equation: 



3=r/9-3

We move all terms to the left:

3-(r/9-3)=0

We get rid of parentheses

-r/9+3+3=0

We multiply all the terms by the denominator


-r+3*9+3*9=0

We add all the numbers together, and all the variables

-1r+54=0

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

-r=-54

r=-54/-1

r=+54

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