$$\left. \begin{array} { l } { x } \\ { 2 ^ { 2.2 + 1 } - 129 ( 2 ^ { x } ) + 64 = 0 } \end{array} \right.$$
$y=\frac{i\times 2\pi n_{1}}{\ln(2)}+\log_{2}\left(\frac{8\left(\sqrt[5]{2}+8\right)}{129}\right)$
$y=\log_{2}\left(\frac{8\left(\sqrt[5]{2}+8\right)}{129}\right)\approx -0.817660759$