$$3^{3(x+1)}+3^{(x+1}=36; 3^{3(x+2)}+3^{2x+1}=36$$
$x=\log_{3}\left(\frac{\sqrt[3]{648\sqrt{410}+13121}+\sqrt[3]{13121-648\sqrt{410}}-1}{27}\right)\approx 0.057171491$
