x+6+x+6=

Solution for x+6+x+6= equation:

Simplifying
x + 6 + x + 6 = 0

Reorder the terms:
6 + 6 + x + x = 0

Combine like terms: 6 + 6 = 12
12 + x + x = 0

Combine like terms: x + x = 2x
12 + 2x = 0

Solving
12 + 2x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 2x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 0 + -12
2x = 0 + -12

Combine like terms: 0 + -12 = -12
2x = -12

Divide each side by '2'.
x = -6

Simplifying
x = -6