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19 November, 12:06

Evaluate: 2 + x - 2*7 for x = 7

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Answers (2)
  1. 19 November, 12:07
    0
    2 + 7 - 2*7 = - 5, plug in the 7 for x in your calculator or use order of operations
  2. 19 November, 12:14
    0
    Substitute x=7 in the equation:

    2+7-2•7 = 2+7-14 = 2-7 = - 5
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