18.87=2r*3.14

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Solution for 18.87=2r*3.14 equation:


Simplifying
18.87 = 2r * 3.14

Reorder the terms for easier multiplication:
18.87 = 2 * 3.14r

Multiply 2 * 3.14
18.87 = 6.28r

Solving
18.87 = 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.
18.87 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
18.87 + -6.28r = 0.00

Add '-18.87' to each side of the equation.
18.87 + -18.87 + -6.28r = 0.00 + -18.87

Combine like terms: 18.87 + -18.87 = 0.00
0.00 + -6.28r = 0.00 + -18.87
-6.28r = 0.00 + -18.87

Combine like terms: 0.00 + -18.87 = -18.87
-6.28r = -18.87

Divide each side by '-6.28'.
r = 3.00477707

Simplifying
r = 3.00477707

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