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18 October, 19:51

When you add 18 to one fourth of a number you get the number itself

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Answers (2)
  1. 18 October, 21:41
    0
    N = number

    ...

    n + 18 = n

    4

    n = n - 18

    4

    Cross Multiply

    4 * (n - 18) = n

    4n - 72 = n

    4n - n = 72

    3n = 72

    n = 72

    3

    n = 24
  2. 18 October, 23:38
    0
    We can turn this into an equation.

    if x stands for the number you are looking for, then

    18 + 1/4 x = x

    we can solve this equation

    18 + 1/4 x = x

    subtract 1/4x from both sides

    18 = 3/4 x

    divide both sides by 3/4

    24 = x
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