=-u-6-(-4u)+(-1)

Solution for =-u-6-(-4u)+(-1) equation:

Simplifying
0 = -1u + -6 + -1(-4u) + (-1)

Remove parenthesis around (-4u)
0 = -1u + -6 + -1 * -4u + (-1)

Multiply -1 * -4
0 = -1u + -6 + 4u + (-1)
0 = -1u + -6 + 4u + -1

Reorder the terms:
0 = -6 + -1 + -1u + 4u

Combine like terms: -6 + -1 = -7
0 = -7 + -1u + 4u

Combine like terms: -1u + 4u = 3u
0 = -7 + 3u

Solving
0 = -7 + 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 = -7 + 3u + -3u
Remove the zero:
-3u = -7 + 3u + -3u

Combine like terms: 3u + -3u = 0
-3u = -7 + 0
-3u = -7

Divide each side by '-3'.
u = 2.333333333

Simplifying
u = 2.333333333