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the sum of 3 numbers is 49. the second number is twice the 1st, and the third is 1 less than the second. find the numbers

  • math -

    a+b+c=49
    b=2a
    c=b-1

    a + 2a + (2a-1) = 49
    5a - 1 = 49
    5a = 50
    a = 10

    10,20,19

  • math -

    10,20,19

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