Question 752051
{{{3*4^(x+1)-2=19}}}

{{{3*4^(x+1)-2+2=19+2}}}
{{{(3*4^(x+1))/3=21/3}}}
{{{4^(x+1)=7}}}

{{{log(4,4^(x+1))=log(4,7)}}}

{{{x=log(4,7)-1}}}


:)