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8 February, 20:56

Y-x=4 and x is three times the value of y, what is the value of x+y?

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  1. 8 February, 21:23
    0
    x+y=-8

    Step-by-step explanation:

    y-x=4

    x=3y

    y-3y=4

    x=3y

    -2y=4

    x=3y

    y=4 / (-2)

    x=3y

    y=-2

    x=3 * (-2)

    x=-6, y=-2 then

    x+y=-6-2=-8
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