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6 October, 23:42

Find a number such that the ratio of 3 times that number and 5 is equal to the difference between that number and 2.

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  1. 6 October, 23:53
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    5

    Step-by-step explanation:

    let x represent the number

    3x : 5 = x - 2

    3x / 5 = x - 2

    cross multiply

    3x = 5 (x - 2)

    3x = 5x - 10

    3x - 5x = - 10

    -2x = - 10

    Divide both sides by - 2

    x = 5
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