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8 April, 22:49

Seven times a number is 28 more than three times that number

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  1. 8 April, 23:34
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    x=7

    Step-by-step explanation:

    The sentence can be rewritten as: (Replace "a number" with X)

    7x=3x+28

    1) Subtract a 3x from both sides:

    4x=28

    2) Divide both sides by 4:

    x=7
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