18=r/9

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Solution for 18=r/9 equation: 



18=r/9

We move all terms to the left:

18-(r/9)=0

We add all the numbers together, and all the variables

-(+r/9)+18=0

We get rid of parentheses

-r/9+18=0

We multiply all the terms by the denominator


-r+18*9=0

We add all the numbers together, and all the variables

-1r+162=0

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

-r=-162

r=-162/-1

r=+162

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