-6u+3=-9u

Solution for -6u+3=-9u equation:

Simplifying
-6u + 3 = -9u

Reorder the terms:
3 + -6u = -9u

Solving
3 + -6u = -9u

Solving for variable 'u'.

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

Add '9u' to each side of the equation.
3 + -6u + 9u = -9u + 9u

Combine like terms: -6u + 9u = 3u
3 + 3u = -9u + 9u

Combine like terms: -9u + 9u = 0
3 + 3u = 0

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

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

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

Divide each side by '3'.
u = -1

Simplifying
u = -1