Suppose y varies directly with x. When x is 2, y is 20. What is x when y is 50

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Suppose y varies directly with x. When x is 2, y is 20. What is x when y is 50

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Thu Nguyệt 4 years 2021-09-02T19:01:56+00:00 1 Answers 9 views 0

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  1. Edana
    0
    2021-09-02T19:03:10+00:00
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    Answer:

    5

    Step-by-step explanation:

    x = 2 >>> (Multiply by 10) >>> y = 20

    x = ? >>> (Multiply by 10) >>> y = 50

    50 ÷ 10 = 5

    x = 5 when y is 50

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )