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6 June, 04:47

How to solve 8 = 2^x + 4?

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Answers (2)
  1. 6 June, 07:23
    0
    8 = 2^x + 4

    2^x = 8 - 4

    2^x = 4

    as you know 4 = 2^2 so now you have:

    2^x = 2^2

    x = 2
  2. 6 June, 08:11
    0
    You are looking for what + 4 = 8 so you take the 2^x and find what would make that 4. 2 squared is 4 (2x2) which makes 8=4+4

    4+4=8 8=8
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