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16 March, 00:42

Y varies directly as x. if y=-5 when x = 15find x when y=3

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  1. 16 March, 01:06
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    Y=kx

    -5=k (15)

    -5/15=k

    -1/3=k

    now,

    y=-1/5x

    3=-1/5x

    3*5=-1 (x)

    15=-1 (x)

    multiplying both sides by - 1, we get

    -15=x
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