72-3u=5u

Solution for 72-3u=5u equation:

Simplifying
72 + -3u = 5u

Solving
72 + -3u = 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
72 + -3u + -5u = 5u + -5u

Combine like terms: -3u + -5u = -8u
72 + -8u = 5u + -5u

Combine like terms: 5u + -5u = 0
72 + -8u = 0

Add '-72' to each side of the equation.
72 + -72 + -8u = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -8u = 0 + -72
-8u = 0 + -72

Combine like terms: 0 + -72 = -72
-8u = -72

Divide each side by '-8'.
u = 9

Simplifying
u = 9