6u+72=15u

Solution for 6u+72=15u equation:

Simplifying
6u + 72 = 15u

Reorder the terms:
72 + 6u = 15u

Solving
72 + 6u = 15u

Solving for variable 'u'.

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

Add '-15u' to each side of the equation.
72 + 6u + -15u = 15u + -15u

Combine like terms: 6u + -15u = -9u
72 + -9u = 15u + -15u

Combine like terms: 15u + -15u = 0
72 + -9u = 0

Add '-72' to each side of the equation.
72 + -72 + -9u = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -9u = 0 + -72
-9u = 0 + -72

Combine like terms: 0 + -72 = -72
-9u = -72

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

Simplifying
u = 8