Math

If x-1/3y=3, then the value of 3x-y-6=?
a) 15
b) 9
c) 6
d) 3
e) 0

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  1. from x - (1/3)y = 3
    3x - y = 9
    y = 3x-9

    then,
    3x - y - 6
    = 3x - (3x-9) - 6
    = 3

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