Question 64923
{{{8^6^x = 1/64}}}
{{{8^(6x) = 1/64}}}
{{{2^3^(6x) = 1/64}}}
{{{2^(18x) = 1/64}}}
{{{2^(18x) = 2^(-6)}}}
{{{18x = -6}}}
{{{x = -1/3}}}