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5 August, 23:58

Simplify the expression k-2 (k - (2-k)) - 2

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Answers (2)
  1. 6 August, 00:09
    0
    K-2 (k - (2-k)) - 2

    =k-2 (2k-2) - 2

    =k-4k+4-2

    =2-3k
  2. 6 August, 00:15
    0
    Simplify the following:

    k - 2 (k - (2 - k)) - 2

    - (2 - k) = k - 2:

    k - 2 (k + k - 2) - 2

    Grouping like terms, k + k - 2 = (k + k) - 2:

    k - 2 ((k + k) - 2) - 2

    k + k = 2 k:

    k - 2 (2 k - 2) - 2

    -2 (2 k - 2) = 4 - 4 k:

    k + 4 - 4 k - 2

    Grouping like terms, k - 4 k - 2 + 4 = (4 - 2) + (k - 4 k):

    (4 - 2) + (k - 4 k)

    k - 4 k = - 3 k:

    -3 k + (4 - 2)

    4 - 2 = 2:

    Answer: 2 - 3 k
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