-72-2u=-8u

Solution for -72-2u=-8u equation:

Simplifying
-72 + -2u = -8u

Solving
-72 + -2u = -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
-72 + -2u + 8u = -8u + 8u

Combine like terms: -2u + 8u = 6u
-72 + 6u = -8u + 8u

Combine like terms: -8u + 8u = 0
-72 + 6u = 0

Add '72' to each side of the equation.
-72 + 72 + 6u = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 6u = 0 + 72
6u = 0 + 72

Combine like terms: 0 + 72 = 72
6u = 72

Divide each side by '6'.
u = 12

Simplifying
u = 12