6+x=2x-6

Solution for 6+x=2x-6 equation:

Simplifying
6 + x = 2x + -6

Reorder the terms:
6 + x = -6 + 2x

Solving
6 + x = -6 + 2x

Solving for variable 'x'.

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

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

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

Combine like terms: 2x + -2x = 0
6 + -1x = -6 + 0
6 + -1x = -6

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

Combine like terms: 6 + -6 = 0
0 + -1x = -6 + -6
-1x = -6 + -6

Combine like terms: -6 + -6 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12