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27 August, 04:10

The value of l-5l - 2 l-5l + l-1l is:

A. 4

B. 16

C. - 4

D. - 16

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Answers (1)
  1. 27 August, 04:39
    0
    |-5| - (|2|) (|-5|) + |-1|

    =5 - (|2|) (|-5|) + |-1|

    =5-2 (|-5|) + |-1|

    =5 - (2) (5) + |-1|

    =5-10+|-1|

    =-5+|-1|

    =-5+1

    =-4

    So, the answer is C, - 4.
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