4.5=2*3.14r

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Solution for 4.5=2*3.14r equation: 



4.5=2*3.14r

We move all terms to the left:

4.5-(2*3.14r)=0

We add all the numbers together, and all the variables

-(+2*3.14r)+4.5=0

We get rid of parentheses

-2*3.14r+4.5=0

Wy multiply elements

-6r+4.5=0

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

-6r=-4.5

r=-4.5/-6

r=1.8/2.4

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