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20 October, 16:51

Solve for the equation 1 + (11-7x) ^1/4=4 for x.

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Answers (2)
  1. 20 October, 16:57
    0
    -10.

    (11-7x) ^1/4 = 3

    (11-7x) = 81

    -7x=70

    X=-10
  2. 20 October, 17:07
    0
    1 + (11-7x) ^1/4=4

    (11-7x) ^1/4=4-1

    (11-7x) ^1/4=3

    11-7x=3 (4)

    -7x=12-11

    -7x=1

    x=-1/7
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