-9u+6=-8u

Solution for -9u+6=-8u equation:

Simplifying
-9u + 6 = -8u

Reorder the terms:
6 + -9u = -8u

Solving
6 + -9u = -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
6 + -9u + 8u = -8u + 8u

Combine like terms: -9u + 8u = -1u
6 + -1u = -8u + 8u

Combine like terms: -8u + 8u = 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