(X+15)=12

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Solution for (X+15)=12 equation: 


Simplifying
(X + 15) = 12

Reorder the terms:
(15 + X) = 12

Remove parenthesis around (15 + X)
15 + X = 12

Solving
15 + X = 12

Solving for variable 'X'.

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

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

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

Combine like terms: 12 + -15 = -3
X = -3

Simplifying
X = -3

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