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23 October, 00:58

A number subtracted from 90 is three times that number

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Answers (2)
  1. 23 October, 02:39
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    90-n=3n

    90=4n

    22.5=n

    Final answer 22.5
  2. 23 October, 04:21
    0
    90 - x = 3xnow you need to solve for x

    By combining the x-terms, we get 90 = 4x. Dividing both sides of the equation by 4, we get x = 2.25, or 9/4.
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