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20 December, 19:08

Evaluate 12x-3y when x=-1/4 and y=3.

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Answers (2)
  1. 20 December, 19:10
    0
    -12

    Step-by-step explanation:

    12x-3y ...

    It is straightforward, but you plug in - 1/4 and 3 in the equation.

    12 (-1/4) - 3 (3)

    -3-9

    so you get

    -12
  2. 20 December, 19:35
    0
    -12

    Step-by-step explanation:

    12x-3y

    Let x = - 1/4 and y=3

    12 (-1/4) - 3 (3)

    Multiply

    -12/4 - 9

    Divide

    -3-9

    Add

    -12
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