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14 June, 13:58

Determine the solution to the exponential equation 8^x + 1 = 2^x - 5. Explain how

you know that the value you obtain is the solution to the equation.

+4
Answers (1)
  1. 14 June, 14:09
    0
    x=-4

    Step-by-step explanation:

    hello:

    8=2^3 so : 8^x = (2^3) ^ (x+1) = 2^ (3x+3)

    8^ (x + 1) = 2^ (x - 5) means : 2^ (3x+3) = 2^ (x - 5)

    3x+3 = x - 5

    2x = - 8

    x=-4
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