X-12+40=

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Solution for X-12+40= equation: 


Simplifying
X + -12 + 40 = 0

Reorder the terms:
-12 + 40 + X = 0

Combine like terms: -12 + 40 = 28
28 + X = 0

Solving
28 + X = 0

Solving for variable 'X'.

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

Add '-28' to each side of the equation.
28 + -28 + X = 0 + -28

Combine like terms: 28 + -28 = 0
0 + X = 0 + -28
X = 0 + -28

Combine like terms: 0 + -28 = -28
X = -28

Simplifying
X = -28

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