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19 December, 08:51

The sum of two numbers is 53 and the difference is 15. what are the numbers?

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  1. 19 December, 10:00
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    19 because the two equations would be:

    x+y=53 and x-y=15 and if you solve the second one for x it becomes: x=15+y and of you plug that in and solve it becomes:

    (15+y) + y=53

    15+2y=53

    2y=38

    y=19
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