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9 December, 11:37

The sum of two numbers is 15 their difference is 1 what is the numbers?

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  1. 9 December, 12:04
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    x and y are the numbers

    x+y=15

    x-y=1

    add the equations to eliminate y

    2x=16

    x=16/2

    x=8

    8+y=15

    y=15-8

    y=7
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