SOLUTION: I'm trying to solve exponential equations -5e^-x+9=6 First i subtracted 9 from each side -5e^-x = -3 next I divided each side by -5 e^-x = 3/5 that's where I get stuck t

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: I'm trying to solve exponential equations -5e^-x+9=6 First i subtracted 9 from each side -5e^-x = -3 next I divided each side by -5 e^-x = 3/5 that's where I get stuck t      Log On


   



Question 403906: I'm trying to solve exponential equations
-5e^-x+9=6
First i subtracted 9 from each side
-5e^-x = -3
next I divided each side by -5
e^-x = 3/5
that's where I get stuck
the answer is ln 5/3 - 0.511. How do I get that?

Answer by Mr.Math(29) About Me  (Show Source):
You can put this solution on YOUR website!
e^-x = 3/5
-x=ln(3/5)
x=-ln(3/5)
x= ln(5/3)
x= 0.511