$\frac{-x}{6}$ = $\frac{14}{-y}$ = $\frac{z}{60}$ = $\frac{2}{3}$
=> $\frac{-x}{6}$ = $\frac{2}{3}$
=> -x= $\frac{2.6}{3}$ = 4 => x=-4
=> $\frac{14}{-y}$ = $\frac{2}{3}$
=>-y= $\frac{14.3}{2}$ = 21 => y=-21
=>$\frac{z}{60}$ = $\frac{2}{3}$
=> z= $\frac{2.60}{3}$ = 40
Vậy x=-4; y=-21; z=40