Question 1080919
{{{2^(3x-1)=(1/8)^x}}}
{{{2^(3x-1)=(1/2^3)^x}}}
{{{2^(3x-1)=(2^(-3))^x}}}
{{{2^(3x-1)=2^(-3x)}}}
So,
{{{3x-1=-3x}}}
{{{6x=1}}}
{{{x=1/6}}}