38.88=2(3.14)(r)

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Solution for 38.88=2(3.14)(r) equation: 


Simplifying
38.88 = 2(3.14)(r)

Multiply 2 * 3.14
38.88 = 6.28r

Solving
38.88 = 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.
38.88 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
38.88 + -6.28r = 0.00

Add '-38.88' to each side of the equation.
38.88 + -38.88 + -6.28r = 0.00 + -38.88

Combine like terms: 38.88 + -38.88 = 0.00
0.00 + -6.28r = 0.00 + -38.88
-6.28r = 0.00 + -38.88

Combine like terms: 0.00 + -38.88 = -38.88
-6.28r = -38.88

Divide each side by '-6.28'.
r = 6.191082803

Simplifying
r = 6.191082803

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