62.8=2*3.14*r

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Solution for 62.8=2*3.14*r equation: 



62.8=2*3.14r

We move all terms to the left:

62.8-(2*3.14r)=0

We add all the numbers together, and all the variables

-(+2*3.14r)+62.8=0

We get rid of parentheses

-2*3.14r+62.8=0

Wy multiply elements

-6r+62.8=0

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

-6r=-62.8

r=-62.8/-6

r=10+1/2.1428571428571

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