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6 August, 17:06

The sum of two numbers is 70.

One number is 10 more the twice the other number.

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Answers (1)
  1. 6 August, 17:21
    0
    20 and 50

    Step-by-step explanation:

    x + y = 70

    y = 2x + 10

    Use the substitution method:

    y = 70 - x

    y = 2x + 10

    70 - x = 2x + 10

    3x = 60

    x = 20

    x + y = 70

    20 + y = 70

    y = 50

    x = 20

    y = 50
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