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19 November, 05:32

Three is twenty-one, divided by the sum of a number and five

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Answers (2)
  1. 19 November, 06:33
    0
    3=21 / (x+5)

    Cross multiply

    3 (x+5) = 21

    Divide 3

    X+5 = 7

    Subtract 5

    X = 2
  2. 19 November, 07:41
    0
    3=21 / (x+5)

    3 (x+5) = 21

    3x+15=21

    3x=6

    x=2
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