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26 June, 06:36

The sum of two numbers is 20. The difference of the two numbers is twice the smaller number. What are the two numbers?

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  1. 26 June, 06:52
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    Answer: x = 15; y = 5

    Step-by-step explanation:

    x + y = 20

    x - y = 2*y

    x = 20 - y

    20 - y - y = 2*y

    20 - 2*y = 2*y

    - 2*y - 2*y = - 20

    - 4*y = - 20

    y = - 20 / - 4

    y = 5

    x + y = 20

    x + 5 = 20

    x = 20 - 5

    x = 15
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