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    Exponential equations

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    Solve for x:

    10^x + 6(10^-x) = 7

    and also:

    3^3x+2 * 8^-x = 4

    © BrainMass Inc. brainmass.com March 4, 2021, 5:36 pm ad1c9bdddf
    https://brainmass.com/math/basic-algebra/exponential-equations-2249

    Solution Preview

    To simplify the problem,
    let 10^x = y and 10^-x = 1/y
    Therefore, equation becomes: y + 6 (1/y) = 7
    Using a as a common denominator: ...

    Solution Summary

    This shows how to solve exponential equations.

    $2.49

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