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30 December, 08:38

The sum of two numbers is 13. Two times the first number minus three times the second number is 1. If you let x stand for the first number and y for the second number, what are the two numbers?

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  1. 30 December, 10:06
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    X+y = 13

    2x-3y = 1

    This can be found by using a system but I will try this method:

    x=13-y

    We replace it on the second one:

    2 (13-y) + y = 13

    26-2y + y=13

    -y = - 13

    y = 13
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