0-(-15)=X

Solution for 0-(-15)=X equation:

Simplifying
0 + -1(-15) = X

Multiply -1 * -15
0 + 15 = X

Combine like terms: 0 + 15 = 15
15 = X

Solving
15 = 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.
15 + -1X = X + -1X

Combine like terms: X + -1X = 0
15 + -1X = 0

Add '-15' to each side of the equation.
15 + -15 + -1X = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1X = 0 + -15
-1X = 0 + -15

Combine like terms: 0 + -15 = -15
-1X = -15

Divide each side by '-1'.
X = 15

Simplifying
X = 15