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Math

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if 12v=3w and v is not equal 0 then which of the following is equivalent to 2w-8v ?

a 0
b 4w
c -6w
d 2v
d -2v

  • Math -

    its A

  • Math -

    zero

  • Math -

    12v - 3w = 0
    3(4v - w) = 0
    4v - w = 0

    2w - 8v = 2(w - 4v)

    Because 4v - w = 0, 2(w - 4v) also must equal 0.

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