3=3(u+2)-6u

Solution for 3=3(u+2)-6u equation:

Simplifying
3 = 3(u + 2) + -6u

Reorder the terms:
3 = 3(2 + u) + -6u
3 = (2 * 3 + u * 3) + -6u
3 = (6 + 3u) + -6u

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

Solving
3 = 6 + -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.
3 + 3u = 6 + -3u + 3u

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

Add '-3' to each side of the equation.
3 + -3 + 3u = 6 + -3

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

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

Divide each side by '3'.
u = 1

Simplifying
u = 1