80=20k

Solution for 80=20k equation:

Simplifying
80 = 20k

Solving
80 = 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.
80 + -20k = 20k + -20k

Combine like terms: 20k + -20k = 0
80 + -20k = 0

Add '-80' to each side of the equation.
80 + -80 + -20k = 0 + -80

Combine like terms: 80 + -80 = 0
0 + -20k = 0 + -80
-20k = 0 + -80

Combine like terms: 0 + -80 = -80
-20k = -80

Divide each side by '-20'.
k = 4

Simplifying
k = 4