50.2=2*3.14*r

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Solution for 50.2=2*3.14*r equation: 


Simplifying
50.2 = 2 * 3.14r

Multiply 2 * 3.14
50.2 = 6.28r

Solving
50.2 = 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.
50.2 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
50.2 + -6.28r = 0.00

Add '-50.2' to each side of the equation.
50.2 + -50.2 + -6.28r = 0.00 + -50.2

Combine like terms: 50.2 + -50.2 = 0.0
0.0 + -6.28r = 0.00 + -50.2
-6.28r = 0.00 + -50.2

Combine like terms: 0.00 + -50.2 = -50.2
-6.28r = -50.2

Divide each side by '-6.28'.
r = 7.993630573

Simplifying
r = 7.993630573

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