X+40=9

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Solution for X+40=9 equation: 


Simplifying
X + 40 = 9

Reorder the terms:
40 + X = 9

Solving
40 + X = 9

Solving for variable 'X'.

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

Add '-40' to each side of the equation.
40 + -40 + X = 9 + -40

Combine like terms: 40 + -40 = 0
0 + X = 9 + -40
X = 9 + -40

Combine like terms: 9 + -40 = -31
X = -31

Simplifying
X = -31

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