12-(-5)=x

Solution for 12-(-5)=x equation:

Simplifying
12 + -1(-5) = x

Multiply -1 * -5
12 + 5 = x

Combine like terms: 12 + 5 = 17
17 = x

Solving
17 = 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.
17 + -1x = x + -1x

Combine like terms: x + -1x = 0
17 + -1x = 0

Add '-17' to each side of the equation.
17 + -17 + -1x = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -1x = 0 + -17
-1x = 0 + -17

Combine like terms: 0 + -17 = -17
-1x = -17

Divide each side by '-1'.
x = 17

Simplifying
x = 17