14=2*(3.14)*r

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Solution for 14=2*(3.14)*r equation:


Simplifying
14 = 2(3.14) * r

Multiply 2 * 3.14
14 = 6.28r

Solving
14 = 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.
14 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
14 + -6.28r = 0.00

Add '-14' to each side of the equation.
14 + -14 + -6.28r = 0.00 + -14

Combine like terms: 14 + -14 = 0
0 + -6.28r = 0.00 + -14
-6.28r = 0.00 + -14

Combine like terms: 0.00 + -14 = -14
-6.28r = -14

Divide each side by '-6.28'.
r = 2.229299363

Simplifying
r = 2.229299363

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