Question 308728
{{{4e^x=15}}}


Divide both sides by 4:
{{{e^x=15/4}}}


Take the ln of each side to "undo" the "e^".
{{{ln(e^x)=ln(15/4) }}}

{{{x= ln(15/4)}}}


Calculator approximation:  1.32175584 approximately.


Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus