X-(-12)=-15

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Solution for X-(-12)=-15 equation: 


Simplifying
X + -1(-12) = -15

Multiply -1 * -12
X + 12 = -15

Reorder the terms:
12 + X = -15

Solving
12 + X = -15

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + X = -15 + -12

Combine like terms: 12 + -12 = 0
0 + X = -15 + -12
X = -15 + -12

Combine like terms: -15 + -12 = -27
X = -27

Simplifying
X = -27

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