9*3.14=2*3.14r

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Solution for 9*3.14=2*3.14r equation: 



9*3.14=2*3.14r

We move all terms to the left:

9*3.14-(2*3.14r)=0

We add all the numbers together, and all the variables

-(+2*3.14r)+9*3.14=0

We add all the numbers together, and all the variables

-(+2*3.14r)+28.26=0

We get rid of parentheses

-2*3.14r+28.26=0

Wy multiply elements

-6r+28.26=0

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

-6r=-28.26

r=-28.26/-6

r=4+1.88495575221/2.65486725664

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