Question 427370
solve for x: {{{e^(-5x)*e^4=e}}}
Divide both sides by e^4
{{{e^(-5x)=e/e^4}}}
we can write it:
{{{e^(-5x)=e^(1-4)}}}
{{{e^(-5x)=e^-3}}}
Now we can see that
-5x = -3
x = {{{(-3)/(-5)}}}
x = +.6
:
:
Check in the original problem
{{{e^(-5*.6)*e^4=e}}}
{{{e^(-3)*e^4=e}}}
{{{e^1=e}}}