72=n+2n

Solution for 72=n+2n equation:

Simplifying
72 = n + 2n

Combine like terms: n + 2n = 3n
72 = 3n

Solving
72 = 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
72 + -3n = 3n + -3n

Combine like terms: 3n + -3n = 0
72 + -3n = 0

Add '-72' to each side of the equation.
72 + -72 + -3n = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -3n = 0 + -72
-3n = 0 + -72

Combine like terms: 0 + -72 = -72
-3n = -72

Divide each side by '-3'.
n = 24

Simplifying
n = 24