s+2s+2s+72=180

Solution for s+2s+2s+72=180 equation:

Simplifying
s + 2s + 2s + 72 = 180

Reorder the terms:
72 + s + 2s + 2s = 180

Combine like terms: s + 2s = 3s
72 + 3s + 2s = 180

Combine like terms: 3s + 2s = 5s
72 + 5s = 180

Solving
72 + 5s = 180

Solving for variable 's'.

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

Add '-72' to each side of the equation.
72 + -72 + 5s = 180 + -72

Combine like terms: 72 + -72 = 0
0 + 5s = 180 + -72
5s = 180 + -72

Combine like terms: 180 + -72 = 108
5s = 108

Divide each side by '5'.
s = 21.6

Simplifying
s = 21.6