Definition, Meaning & Synonyms

x

Letter, Variable
/ɛks/
Definition
The 24th letter of the English alphabet.
Examples
  • In the equation 2x + 3 = 7, ‘x’ represents the unknown value.
  • ‘X’ is used in many contexts, such as labeling axes in graphs.
Meaning
In algebra and mathematics, ‘x’ often represents an unknown variable or an algebraic quantity that can take various values.
Synonyms
  • Unknown
  • Variable