50=k(20)

Solution for 50=k(20) equation:

Simplifying
50 = k(20)

Reorder the terms for easier multiplication:
50 = 20k

Solving
50 = 20k

Solving for variable 'k'.

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

Add '-20k' to each side of the equation.
50 + -20k = 20k + -20k

Combine like terms: 20k + -20k = 0
50 + -20k = 0

Add '-50' to each side of the equation.
50 + -50 + -20k = 0 + -50

Combine like terms: 50 + -50 = 0
0 + -20k = 0 + -50
-20k = 0 + -50

Combine like terms: 0 + -50 = -50
-20k = -50

Divide each side by '-20'.
k = 2.5

Simplifying
k = 2.5