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28 November, 01:51

Evaluate - 2/5 - x + (-9/10) where x = 4/5.

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Answers (2)
  1. 28 November, 01:58
    0
    - 2 1/10
  2. 28 November, 02:25
    0
    - 2 1/10

    Step-by-step explanation:

    -2/5 - x - 9/10

    Let x = 4/5

    -2/5 - 4/5 - 9/10

    Combine like terms

    -6/5 - 9/10

    Get a common denominator of 10

    -6/5 * 2/2 - 9/10

    -12/10 - 9/10

    -21 / 10

    Change this to a mixed number

    10 goes into 21 2 times with 1 left over

    -2 1/10
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