X+981=999

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Solution for X+981=999 equation: 


Simplifying
X + 981 = 999

Reorder the terms:
981 + X = 999

Solving
981 + X = 999

Solving for variable 'X'.

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

Add '-981' to each side of the equation.
981 + -981 + X = 999 + -981

Combine like terms: 981 + -981 = 0
0 + X = 999 + -981
X = 999 + -981

Combine like terms: 999 + -981 = 18
X = 18

Simplifying
X = 18

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