62.8=3.14*2*r

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Solution for 62.8=3.14*2*r equation: 


Simplifying
62.8 = 3.14 * 2r

Multiply 3.14 * 2
62.8 = 6.28r

Solving
62.8 = 6.28r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-6.28r' to each side of the equation.
62.8 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
62.8 + -6.28r = 0.00

Add '-62.8' to each side of the equation.
62.8 + -62.8 + -6.28r = 0.00 + -62.8

Combine like terms: 62.8 + -62.8 = 0.0
0.0 + -6.28r = 0.00 + -62.8
-6.28r = 0.00 + -62.8

Combine like terms: 0.00 + -62.8 = -62.8
-6.28r = -62.8

Divide each side by '-6.28'.
r = 10

Simplifying
r = 10

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