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9 July, 13:22

For which equations is x = 9 a possible solution?

|x| = 9

-|x|=9

-|-x|=9

-|-x|=-9

|x|=-9

|-x|=9

|-x|=-9

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Answers (1)
  1. 9 July, 14:23
    0
    Step-by-step explanation:

    |x| = 9 is a solution. The range of the absolute value function is [0, infinity).

    -|x|=9 not a solution. No absolute value function will return a negative result.

    -|-x|=9 not a solution. - (x) = 9 is not true for x = 9.

    -|-x|=-9 solution. - 9 = - 9 is true.
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Home » Mathematics » For which equations is x = 9 a possible solution? |x| = 9 -|x|=9 -|-x|=9 -|-x|=-9 |x|=-9 |-x|=9 |-x|=-9
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