=-1-2u-9-(-5u)

Solution for =-1-2u-9-(-5u) equation:

Simplifying
0 = -1 + -2u + -9 + -1(-5u)

Remove parenthesis around (-5u)
0 = -1 + -2u + -9 + -1 * -5u

Multiply -1 * -5
0 = -1 + -2u + -9 + 5u

Reorder the terms:
0 = -1 + -9 + -2u + 5u

Combine like terms: -1 + -9 = -10
0 = -10 + -2u + 5u

Combine like terms: -2u + 5u = 3u
0 = -10 + 3u

Solving
0 = -10 + 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.
0 + -3u = -10 + 3u + -3u
Remove the zero:
-3u = -10 + 3u + -3u

Combine like terms: 3u + -3u = 0
-3u = -10 + 0
-3u = -10

Divide each side by '-3'.
u = 3.333333333

Simplifying
u = 3.333333333