-9=r/3

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Solution for -9=r/3 equation: 



-9=r/3

We move all terms to the left:

-9-(r/3)=0

We add all the numbers together, and all the variables

-(+r/3)-9=0

We get rid of parentheses

-r/3-9=0

We multiply all the terms by the denominator


-r-9*3=0

We add all the numbers together, and all the variables

-1r-27=0

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

-r=27

r=27/-1

r=-27

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