2(2u+6)-u=

Solution for 2(2u+6)-u= equation:

Simplifying
2(2u + 6) + -1u = 0

Reorder the terms:
2(6 + 2u) + -1u = 0
(6 * 2 + 2u * 2) + -1u = 0
(12 + 4u) + -1u = 0

Combine like terms: 4u + -1u = 3u
12 + 3u = 0

Solving
12 + 3u = 0

Solving for variable 'u'.

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

Add '-12' to each side of the equation.
12 + -12 + 3u = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 3u = 0 + -12
3u = 0 + -12

Combine like terms: 0 + -12 = -12
3u = -12

Divide each side by '3'.
u = -4

Simplifying
u = -4