-x-x+6=-6

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

Simplifying
-1x + -1x + 6 = -6

Reorder the terms:
6 + -1x + -1x = -6

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

Solving
6 + -2x = -6

Solving for variable 'x'.

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

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

Combine like terms: 6 + -6 = 0
0 + -2x = -6 + -6
-2x = -6 + -6

Combine like terms: -6 + -6 = -12
-2x = -12

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

Simplifying
x = 6