18.84=2r*3.14

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Solution for 18.84=2r*3.14 equation:


Simplifying
18.84 = 2r * 3.14

Reorder the terms for easier multiplication:
18.84 = 2 * 3.14r

Multiply 2 * 3.14
18.84 = 6.28r

Solving
18.84 = 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.
18.84 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
18.84 + -6.28r = 0.00

Add '-18.84' to each side of the equation.
18.84 + -18.84 + -6.28r = 0.00 + -18.84

Combine like terms: 18.84 + -18.84 = 0.00
0.00 + -6.28r = 0.00 + -18.84
-6.28r = 0.00 + -18.84

Combine like terms: 0.00 + -18.84 = -18.84
-6.28r = -18.84

Divide each side by '-6.28'.
r = 3

Simplifying
r = 3

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