5u-72=-4u+108

Solution for 5u-72=-4u+108 equation:

Simplifying
5u + -72 = -4u + 108

Reorder the terms:
-72 + 5u = -4u + 108

Reorder the terms:
-72 + 5u = 108 + -4u

Solving
-72 + 5u = 108 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
-72 + 5u + 4u = 108 + -4u + 4u

Combine like terms: 5u + 4u = 9u
-72 + 9u = 108 + -4u + 4u

Combine like terms: -4u + 4u = 0
-72 + 9u = 108 + 0
-72 + 9u = 108

Add '72' to each side of the equation.
-72 + 72 + 9u = 108 + 72

Combine like terms: -72 + 72 = 0
0 + 9u = 108 + 72
9u = 108 + 72

Combine like terms: 108 + 72 = 180
9u = 180

Divide each side by '9'.
u = 20

Simplifying
u = 20