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17 September, 19:20

Logarithm equation. Show the steps to solve. 400/1+e^-x=350

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  1. 17 September, 19:40
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    400 / (1 + e^ (-x)) = 350

    1 + e^ (-x) = 400/350

    1 + e^ (-x) = 8/7

    e^ (-x) = 8/7 - 1

    e^ (-x) = 1/7

    1/e^ (x) = 1/7

    e^ (x) = 7

    x = log (base e) 7 or:

    x = ln 7

    x = 1.94591
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