16.328=2*3.14*r

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Solution for 16.328=2*3.14*r equation:


Simplifying
16.328 = 2 * 3.14r

Multiply 2 * 3.14
16.328 = 6.28r

Solving
16.328 = 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.
16.328 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
16.328 + -6.28r = 0.00

Add '-16.328' to each side of the equation.
16.328 + -16.328 + -6.28r = 0.00 + -16.328

Combine like terms: 16.328 + -16.328 = 0.000
0.000 + -6.28r = 0.00 + -16.328
-6.28r = 0.00 + -16.328

Combine like terms: 0.00 + -16.328 = -16.328
-6.28r = -16.328

Divide each side by '-6.28'.
r = 2.6

Simplifying
r = 2.6

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