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Math Help - Coefficients and Combinations

  1. #1
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    Coefficients and Combinations

    x1 x2 x3 are not negative numbers.

    we have: x1 + x2 + x3 = 11

    Let x1 <equal to 3, x2 <equal to 4 and x3 <equal to 6.

    How many solutions would there be for the equation?

    Can someone please provide the answer to this? You dont need to write up the working or anything! Takes to long.
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  2. #2
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    Quote Originally Posted by kurac View Post
    x1 x2 x3 are not negative numbers.
    we have: x1 + x2 + x3 = 11
    Let x1 <equal to 3, x2 <equal to 4 and x3 <equal to 6.
    (1,4,6)
    (2,3,6)
    (2,4,5)
    (3,4,4)
    (3,3,5)
    (3,2,6)

    Any more?
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