72=K(4)

Solution for 72=K(4) equation:

Simplifying
72 = K(4)

Reorder the terms for easier multiplication:
72 = 4K

Solving
72 = 4K

Solving for variable 'K'.

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

Add '-4K' to each side of the equation.
72 + -4K = 4K + -4K

Combine like terms: 4K + -4K = 0
72 + -4K = 0

Add '-72' to each side of the equation.
72 + -72 + -4K = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -4K = 0 + -72
-4K = 0 + -72

Combine like terms: 0 + -72 = -72
-4K = -72

Divide each side by '-4'.
K = 18

Simplifying
K = 18