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20 October, 19:48

Which of the following is the solution to |-2x-15|≤7

A. X≥-11

B. X≤4

C. - 11≤x≤-4

D. X≥4

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Answers (1)
  1. 20 October, 23:13
    0
    Step-by-step explanation:

    C. - 11
    |-2x-15|<7 split into possible cases

    - 2x - 15 0

    - ( - 2x - 15) <7, - 2x - 15 < 0 solve the inequalities

    x>-11, x < - 15/2

    x - 15/2 Find the intersections

    [ - 11, - 15/2 ]

    -15/2, - 4] Find the union

    [-11, - 4 ] Simplify

    -11
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