39.25=3.14r(2)

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Solution for 39.25=3.14r(2) equation: 


Simplifying
39.25 = 3.14r(2)

Reorder the terms for easier multiplication:
39.25 = 3.14 * 2r

Multiply 3.14 * 2
39.25 = 6.28r

Solving
39.25 = 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.
39.25 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
39.25 + -6.28r = 0.00

Add '-39.25' to each side of the equation.
39.25 + -39.25 + -6.28r = 0.00 + -39.25

Combine like terms: 39.25 + -39.25 = 0.00
0.00 + -6.28r = 0.00 + -39.25
-6.28r = 0.00 + -39.25

Combine like terms: 0.00 + -39.25 = -39.25
-6.28r = -39.25

Divide each side by '-6.28'.
r = 6.25

Simplifying
r = 6.25

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