6=6u+3-8u

Solution for 6=6u+3-8u equation:

Simplifying
6 = 6u + 3 + -8u

Reorder the terms:
6 = 3 + 6u + -8u

Combine like terms: 6u + -8u = -2u
6 = 3 + -2u

Solving
6 = 3 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
6 + 2u = 3 + -2u + 2u

Combine like terms: -2u + 2u = 0
6 + 2u = 3 + 0
6 + 2u = 3

Add '-6' to each side of the equation.
6 + -6 + 2u = 3 + -6

Combine like terms: 6 + -6 = 0
0 + 2u = 3 + -6
2u = 3 + -6

Combine like terms: 3 + -6 = -3
2u = -3

Divide each side by '2'.
u = -1.5

Simplifying
u = -1.5