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5 January, 15:07

1. Evaluate the expression when x=2, y = 3, and z = - 9:

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Answers (1)
  1. 5 January, 17:45
    0
    -7

    Step-by-step explanation:

    substitute the given values into the expression

    xy-x

    (-2 times 3) - 1

    -6 - 1 = - 7
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