SOLUTION: solve e^-4x=9

Algebra.Com
Question 1117297: solve e^-4x=9
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
solve
using natural logs

the log equiv of exponent

the ln of e is 1, therefore
-4x = 2.197
x =
x = -.5493

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