Solve the system using Cramer's Rule.

$\begin{array}{rrrrrrrr}& -6 \, x&- &24 \,y&- &71 \,z&=&-1\\& \,x&+& 9 \, y&+& 32 \, z&=&1\\& 3 \,x&+& 12 \, y&+& 36 \, z&=&-1\\ \end{array}$

$det=$
$x=$
$y=$
$z=$