u+6=2u

Solution for u+6=2u equation:

Simplifying
u + 6 = 2u

Reorder the terms:
6 + u = 2u

Solving
6 + u = 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 + u + -2u = 2u + -2u

Combine like terms: u + -2u = -1u
6 + -1u = 2u + -2u

Combine like terms: 2u + -2u = 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