-9-(-11)=X

Solution for -9-(-11)=X equation:

Simplifying
-9 + -1(-11) = X

Multiply -1 * -11
-9 + 11 = X

Combine like terms: -9 + 11 = 2
2 = X

Solving
2 = 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.
2 + -1X = X + -1X

Combine like terms: X + -1X = 0
2 + -1X = 0

Add '-2' to each side of the equation.
2 + -2 + -1X = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1X = 0 + -2
-1X = 0 + -2

Combine like terms: 0 + -2 = -2
-1X = -2

Divide each side by '-1'.
X = 2

Simplifying
X = 2