Question 729147
{{{
-5=-6+2e^(-2x)
}}}

{{{
1=2e^(-2x)
}}}


{{{
1/2=e^(-2x)
}}}


{{{ln(1/2)=ln(e^(-2x))}}}

{{{-ln2=-2x}}}


{{{x=ln2/2}}}


:)