452.16=2(3.14)r

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Solution for 452.16=2(3.14)r equation: 



452.16=2(3.14)r

We move all terms to the left:

452.16-(2(3.14)r)=0



We calculate terms in parentheses: -(2(3.14)r), so:

2(3.14)r

We multiply parentheses

6.28r

Back to the equation:

-(6.28r)



We add all the numbers together, and all the variables

-(+6.28r)+452.16=0

We get rid of parentheses

-6.28r+452.16=0

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

-6.28r=-452.16

r=-452.16/-6.28

r=+72

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