Solve the system of equations using your graphing calculator:
{3x6y+z=2x+yz=2x2y=0\displaystyle {\left\lbrace\begin{array}{c} {3}{x}-{6}{y}+{z}=-{2}\\-{x}+{y}-{z}={2}\\{x}-{2}{y}={0}\end{array}\right.}


x=\displaystyle {x}=  
y=\displaystyle {y}=  
z=\displaystyle {z}=