6=2u+42+2u

Solution for 6=2u+42+2u equation:

Simplifying
6 = 2u + 42 + 2u

Reorder the terms:
6 = 42 + 2u + 2u

Combine like terms: 2u + 2u = 4u
6 = 42 + 4u

Solving
6 = 42 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
6 + -4u = 42 + 4u + -4u

Combine like terms: 4u + -4u = 0
6 + -4u = 42 + 0
6 + -4u = 42

Add '-6' to each side of the equation.
6 + -6 + -4u = 42 + -6

Combine like terms: 6 + -6 = 0
0 + -4u = 42 + -6
-4u = 42 + -6

Combine like terms: 42 + -6 = 36
-4u = 36

Divide each side by '-4'.
u = -9

Simplifying
u = -9