-3u+6=-4u

Solution for -3u+6=-4u equation:

Simplifying
-3u + 6 = -4u

Reorder the terms:
6 + -3u = -4u

Solving
6 + -3u = -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
6 + -3u + 4u = -4u + 4u

Combine like terms: -3u + 4u = 1u
6 + 1u = -4u + 4u

Combine like terms: -4u + 4u = 0
6 + 1u = 0

Add '-6' to each side of the equation.
6 + -6 + 1u = 0 + -6

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

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

Divide each side by '1'.
u = -6

Simplifying
u = -6