31=r/8

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Solution for 31=r/8 equation: 



31=r/8

We move all terms to the left:

31-(r/8)=0

We add all the numbers together, and all the variables

-(+r/8)+31=0

We get rid of parentheses

-r/8+31=0

We multiply all the terms by the denominator


-r+31*8=0

We add all the numbers together, and all the variables

-1r+248=0

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

-r=-248

r=-248/-1

r=+248

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