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22 January, 02:19

The solution of the equation 2^x-7=9 is x the answer is 5.

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Answers (2)
  1. 22 January, 02:43
    0
    Step-by-step explanation:

    hello:

    2^x-7=9

    add 7 : 2^x = 16

    2^x = 2^4

    x=4
  2. 22 January, 02:46
    0
    x=4

    Step-by-step explanation:

    2^x-7=9

    Add 7 to each side

    2^x-7+7=9+7

    2^x = 16

    Change 16 to a power of 2 16 = 2^4

    2^x = 2^4

    The bases are the same, so the powers are the same

    x=4
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