12=x-(-6)

Solution for 12=x-(-6) equation:

Simplifying
12 = x + -1(-6)

Multiply -1 * -6
12 = x + 6

Reorder the terms:
12 = 6 + x

Solving
12 = 6 + x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '-1'.
x = 6

Simplifying
x = 6