72=18k

Solution for 72=18k equation:

Simplifying
72 = 18k

Solving
72 = 18k

Solving for variable 'k'.

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

Add '-18k' to each side of the equation.
72 + -18k = 18k + -18k

Combine like terms: 18k + -18k = 0
72 + -18k = 0

Add '-72' to each side of the equation.
72 + -72 + -18k = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -18k = 0 + -72
-18k = 0 + -72

Combine like terms: 0 + -72 = -72
-18k = -72

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

Simplifying
k = 4