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? asked in Science & MathematicsMathematics · 8 years ago

Solve the following exponential equation.?

Write the answer as both an exact expression and as a decimal approximation (rounded to 2 decimal places) Use e=2.71828182845905

e^(-x+13) = 124^(ex+15)

Update:

I need an answer for

x=

and = but in the ~ form

Hope that makes sense

2 Answers

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  • ?
    Lv 7
    8 years ago
    Favorite Answer

    Here is my answer to the one you deleted.

    Perhaps it will help with this one.

    13-x = (3x+5)ln124

    13-5ln124 = x(3ln124+1)

    x = [13-5ln124]/[3ln124+1]

    x = -0.71803

  • Token
    8 years ago

    X = -4.

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