61.9=2r(3.14)

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Solution for 61.9=2r(3.14) equation: 



61.9=2r(3.14)

We move all terms to the left:

61.9-(2r(3.14))=0



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

2r(3.14)

We multiply parentheses

6.28r

Back to the equation:

-(6.28r)



We add all the numbers together, and all the variables

-(+6.28r)+61.9=0

We get rid of parentheses

-6.28r+61.9=0

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

-6.28r=-61.9

r=-61.9/-6.28

r=9+3.8985507246377/4.5507246376812

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