20=r(500)

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Solution for 20=r(500) equation:


Simplifying
20 = r(500)

Reorder the terms for easier multiplication:
20 = 500r

Solving
20 = 500r

Solving for variable 'r'.

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

Add '-500r' to each side of the equation.
20 + -500r = 500r + -500r

Combine like terms: 500r + -500r = 0
20 + -500r = 0

Add '-20' to each side of the equation.
20 + -20 + -500r = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -500r = 0 + -20
-500r = 0 + -20

Combine like terms: 0 + -20 = -20
-500r = -20

Divide each side by '-500'.
r = 0.04

Simplifying
r = 0.04

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