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2015-03-24T19:20:57+08:00

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Variable
  
⇒ a quantity that may change. It is a symbol, usually a letter, that holds the place for a number.
  ⇒ a range of values, any one of which is a solution to an algebraic expression.

Hope this helps! :))
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2015-03-24T19:57:51+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Variable

∞ In lay man's term, it is a certain real number that is represented by American English Alphabet such as "a to z".

∞ It is an important tool generally used in algebra for solving a certain equation.

∞In other words, it is a symbol of number we don't know yet.

Hope it Helps =)
----- Domini-----

~Happy Summer Vacation~
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