X-39=12.4

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Solution for X-39=12.4 equation: 


Simplifying
X + -39 = 12.4

Reorder the terms:
-39 + X = 12.4

Solving
-39 + X = 12.4

Solving for variable 'X'.

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

Add '39' to each side of the equation.
-39 + 39 + X = 12.4 + 39

Combine like terms: -39 + 39 = 0
0 + X = 12.4 + 39
X = 12.4 + 39

Combine like terms: 12.4 + 39 = 51.4
X = 51.4

Simplifying
X = 51.4

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