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28 October, 15:47

Evaluate 2x2 - 1 when x = 3.

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Answers (2)
  1. 28 October, 17:14
    0
    X should equal 11

    2 (3) 2-1

    6 (2) - 1

    12-1

    11
  2. 28 October, 18:46
    0
    When x is evaluated to 3 you get 11.

    2 (3) 2-1 = 11
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