-5u+6+u+4=0

Solution for -5u+6+u+4=0 equation:

Simplifying
-5u + 6 + u + 4 = 0

Reorder the terms:
6 + 4 + -5u + u = 0

Combine like terms: 6 + 4 = 10
10 + -5u + u = 0

Combine like terms: -5u + u = -4u
10 + -4u = 0

Solving
10 + -4u = 0

Solving for variable 'u'.

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

Add '-10' to each side of the equation.
10 + -10 + -4u = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -4u = 0 + -10
-4u = 0 + -10

Combine like terms: 0 + -10 = -10
-4u = -10

Divide each side by '-4'.
u = 2.5

Simplifying
u = 2.5