How do you solve #e^(3x)=4#? Precalculus Exponential and Logistic Functions The Natural Base e 1 Answer Nam D. Mar 27, 2018 #x=ln4/3~~0.46# Explanation: Given: #e^(3x)=4# Take natural logarithm of both sides. #ln(e^(3x))=ln4# #3x=ln4# Divide by #3#. #(color(red)cancelcolor(black)3x)/(color(red)cancelcolor(black)3)=ln4/3# #x=ln4/3# Answer link Related questions What is base e? What are common mistakes students make with base e? What is the value of e? What is Euler's number? What is the significance of Euler's number? What does Euler's number represent? How do I work with Euler's number in Excel? How do I find the inverse of #e^x#? How does e relate to #pi#? Is the number e rational or irrational? See all questions in The Natural Base e Impact of this question 7700 views around the world You can reuse this answer Creative Commons License