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25 April, 17:37

What does the x in (4.8x + 15.5) + (2.1x - 12.2) mean?

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Answers (2)
  1. 25 April, 18:15
    0
    Well,

    In an open sentence, there are usually placeholders to represent the unknown values.

    So the x in (4.8x + 15.5) + (2.1x - 12.2) means that that value is unknown.
  2. 25 April, 21:06
    0
    X is known as a variable. That is, the the unknown number you are looking for.
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