## Precalculus (6th Edition) Blitzer

$x=2$
$2^{4x-2}=64\qquad$ ... recognize 64 as a power of 2 $2^{4x-2}=2^{6}\qquad$... If $b^{M}=b^{N}$, then $M=N$ $4x-2=6\qquad$...$/+2$ $4x=8\qquad$...$/\div 4$ $x=2$