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5 December, 12:02

Simplify:

2 (xy - 7) = [?]

x = - 1 and y = 3

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Answers (1)
  1. 5 December, 12:18
    0
    Answer:2 (xy-7) = - 20

    Step-by-step explanation:

    Plug in - 1 for x and 3 for 3, as the question says that x and y represent those values.

    2 (xy-7) = ?

    2 ((-1) (3) - 7) = ?

    2 (-3-7) = ?

    2 (-10)

    -20

    2 (xy - 7) = - 20
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