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18 December, 14:22

What is the value of x in the equation x - y = 30, when y = 15

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Answers (2)
  1. 18 December, 14:26
    0
    X - y = 30

    Plug in y = 15

    x - 15 = 30

    Add 15 to both sides

    x = 30 + 15

    x = 45

    That's your answer : D
  2. 18 December, 14:35
    0
    Y = 15

    x - y = 30

    We replace y with the given value:

    x - 15 = 30

    x = 30 + 15

    x = 45
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