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29 May, 04:40

42 decreased by twice a number

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Answers (2)
  1. 29 May, 07:29
    0
    Let the number be x.

    twice a number is 2x.

    hence,

    the expression would result as: 42 - 2x
  2. 29 May, 07:39
    0
    2n - 42 is the answer
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