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20 October, 20:58

Explain why the equation 5x-7=7 has only one solution?

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Answers (2)
  1. 20 October, 21:11
    0
    You don't even have to solve for x. You know x only has 1 solution because it is to the power of 1, if x had an even exponent (for example 2 and x=4) the it could have two possible answers as both 2 and - 2 square to 4.
  2. 20 October, 21:18
    0
    -35

    Step-by-step explanation:

    it is this because it only has one method.
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