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25 June, 12:39

Suppose that y varies directly as x and y = - 9 when x=3. Find the value of x when y = 18

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Answers (2)
  1. 25 June, 14:36
    0
    The answer should be - 6

    Step-by-step explanation:

    if y=-9 and you need to get to 18 you would multiply - 9 by - 2 to get 18

    what you do to one side you do to the other so 3 multiplied by - 2 is - 6
  2. 25 June, 15:05
    0
    The value of y would be - 6

    Step-by-step explanation:

    This is because y=-3x so 18=-3x so x is - 6
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