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21 September, 02:34

What is the answer to |-2x-5|-|-4+8| and x=7

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Answers (2)
  1. 21 September, 02:53
    0
    15

    Step-by-step explanation:

    |-2x-5|-|-4+8|

    = |-2 (7) - 5| - |-4+8|

    = |-19| - |4|

    = 19 - 4

    = 15
  2. 21 September, 02:54
    0
    15

    Step-by-step explanation:

    Note that the absolute value always returns a positive value, that is

    | a | = | - a | = a

    given | - 2x - 5 | - | - 4 + 8 | with x = 7, then

    | - 14 - 5 | - | - 4 + 8 |

    = | - 19 | - | 4 |

    = 19 - 4 = 15
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