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9 January, 16:00

Solve the absolute value equation. |8x| = 28

A. {3.5, 3.5}

B. {-3.5, - 3.5}

C. {3.5, - 3.5}

D. no solution

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Answers (1)
  1. 9 January, 16:23
    0
    8x=+28 and 8x=-28

    x=28/8 and x=-28/8

    x=3.5 and x=-3.5

    so solution is answer C
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