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21 March, 19:22

The sum of two numbers is 15. One number is three less than the other. Find the numbers.

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  1. 21 March, 19:38
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    let the numbers x and y

    sum of two numbers is x + y = 15 eq 1

    given { one number is 3 less than so : y = x-3}

    put in equation

    x + x - 3 = 15

    2x - 3 = 15

    2x = 18

    x = 9

    y = (x-3) = (9 - 3) = 6
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