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4 August, 14:58

Why is - 2x - 8 an algebraic expression

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  1. 4 August, 15:07
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    Because it contains an un-known variable denoted as X
  2. 4 August, 15:10
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    Because algebra means finding the unknown

    it is usually used in real life

    for example if if 1/2 of the legnth of a line is 8 then what is the legnth

    so then 1/2 x=8 and that is algebraic

    since it has x, or an unknown in it, it is an algebraic expression
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