-12=r/3

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Solution for -12=r/3 equation: 



-12=r/3

We move all terms to the left:

-12-(r/3)=0

We add all the numbers together, and all the variables

-(+r/3)-12=0

We get rid of parentheses

-r/3-12=0

We multiply all the terms by the denominator


-r-12*3=0

We add all the numbers together, and all the variables

-1r-36=0

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

-r=36

r=36/-1

r=-36

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