Question 768282
{{{(4/5)^(6x)+1=5/4}}}
{{{(4/5)^(6x)=1/4}}}
{{{log((4/5)^(6x))=log(1/4)}}}
{{{6x=log(1/4)/log(4/5)}}}
{{{x=-log(4)/(6(log(4)-log(5)))}}}