6+2u=3u-12

Solution for 6+2u=3u-12 equation:

Simplifying
6 + 2u = 3u + -12

Reorder the terms:
6 + 2u = -12 + 3u

Solving
6 + 2u = -12 + 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.
6 + 2u + -3u = -12 + 3u + -3u

Combine like terms: 2u + -3u = -1u
6 + -1u = -12 + 3u + -3u

Combine like terms: 3u + -3u = 0
6 + -1u = -12 + 0
6 + -1u = -12

Add '-6' to each side of the equation.
6 + -6 + -1u = -12 + -6

Combine like terms: 6 + -6 = 0
0 + -1u = -12 + -6
-1u = -12 + -6

Combine like terms: -12 + -6 = -18
-1u = -18

Divide each side by '-1'.
u = 18

Simplifying
u = 18