-(u+4)+3u=

Solution for -(u+4)+3u= equation:

Simplifying
-1(u + 4) + 3u = 0

Reorder the terms:
-1(4 + u) + 3u = 0
(4 * -1 + u * -1) + 3u = 0
(-4 + -1u) + 3u = 0

Combine like terms: -1u + 3u = 2u
-4 + 2u = 0

Solving
-4 + 2u = 0

Solving for variable 'u'.

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

Add '4' to each side of the equation.
-4 + 4 + 2u = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 2u = 0 + 4
2u = 0 + 4

Combine like terms: 0 + 4 = 4
2u = 4

Divide each side by '2'.
u = 2

Simplifying
u = 2