3u-1=3(3-u)-4

Solution for 3u-1=3(3-u)-4 equation:

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

Reorder the terms:
-1 + 3u = 3(3 + -1u) + -4
-1 + 3u = (3 * 3 + -1u * 3) + -4
-1 + 3u = (9 + -3u) + -4

Reorder the terms:
-1 + 3u = 9 + -4 + -3u

Combine like terms: 9 + -4 = 5
-1 + 3u = 5 + -3u

Solving
-1 + 3u = 5 + -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
-1 + 3u + 3u = 5 + -3u + 3u

Combine like terms: 3u + 3u = 6u
-1 + 6u = 5 + -3u + 3u

Combine like terms: -3u + 3u = 0
-1 + 6u = 5 + 0
-1 + 6u = 5

Add '1' to each side of the equation.
-1 + 1 + 6u = 5 + 1

Combine like terms: -1 + 1 = 0
0 + 6u = 5 + 1
6u = 5 + 1

Combine like terms: 5 + 1 = 6
6u = 6

Divide each side by '6'.
u = 1

Simplifying
u = 1