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Math Help - Another Simple Question

  1. #1
    Junior Member
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    Another Simple Question

    2/3 x = 24

    and

    3(x - 5) + 7 = 16

    and

    Find three consecutive numbers whose sum is 60 <-, I know it's 19,20,21 but how would I show my work for this?


    I can figure it out in my head, but I can't make the exact process work to spell it out because I have to show my work. Thanks for your guys help again.
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  2. #2
    Bar0n janvdl's Avatar
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    Quote Originally Posted by elliotfsl View Post
    2/3 x = 24

    and

    3(x - 5) + 7 = 16

    and

    Find three consecutive numbers whose sum is 60 <-, I know it's 19,20,21 but how would I show my work for this?


    I can figure it out in my head, but I can't make the exact process work to spell it out because I have to show my work. Thanks for your guys help again.
    \frac{2x}{3} = 24

    2x = 72

    x = 36

    ----

    3(x - 5) + 7 = 16

    3x - 15 + 7 = 16

    3x - 8 = 16

    3x = 24

    x = 8

    ----

    (x) + (x + 1) + (x + 2) = 60

    3x + 3 = 60

    3x = 57

    x = 19

    (So if x = 19 then (x + 1) = 20 and (x + 2) = 21. Do you understand? )
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