120(3.14)=2(3.14)(r)(10)

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Solution for 120(3.14)=2(3.14)(r)(10) equation: 


Simplifying
120(3.14) = 2(3.14)(r)(10)

Multiply 120 * 3.14
376.8 = 2(3.14)(r)(10)

Reorder the terms for easier multiplication:
376.8 = 2 * 3.14 * 10r

Multiply 2 * 3.14
376.8 = 6.28 * 10r

Multiply 6.28 * 10
376.8 = 62.8r

Solving
376.8 = 62.8r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-62.8r' to each side of the equation.
376.8 + -62.8r = 62.8r + -62.8r

Combine like terms: 62.8r + -62.8r = 0.0
376.8 + -62.8r = 0.0

Add '-376.8' to each side of the equation.
376.8 + -376.8 + -62.8r = 0.0 + -376.8

Combine like terms: 376.8 + -376.8 = 0.0
0.0 + -62.8r = 0.0 + -376.8
-62.8r = 0.0 + -376.8

Combine like terms: 0.0 + -376.8 = -376.8
-62.8r = -376.8

Divide each side by '-62.8'.
r = 6

Simplifying
r = 6

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