18.212=3.14r

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Solution for 18.212=3.14r equation: 



18.212=3.14r

We move all terms to the left:

18.212-(3.14r)=0

We add all the numbers together, and all the variables

-(+3.14r)+18.212=0

We get rid of parentheses

-3.14r+18.212=0

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

-3.14r=-18.212

r=-18.212/-3.14

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