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16 March, 06:54

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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  1. 16 March, 10:54
    0
    Step-by-step explanation:

    x+y=12

    x-y=18

    Now eliminate the y by adding the two equations together to get

    2x=30

    x=15

    then solve for y.

    15+y=12

    15-y=18

    y = - 3
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