Respuesta :

Epis

x----chickens

y----ducks

50x+30y=550

44x+36y=532

x=11-3/5y

44x+36y=532

x=11-3/5y

44(11-3/5y)+36y=532

x=11-3/5y

484+48/5y=532 /*5

x=11-3/5y

2420+48y=2660

x=11-3/5y

48y=2660-2420

x=11-3/5y

48y=240 //48

x=11-3/5y

y=5

x=11-3/5*5

y=5

x=8----chicken

y=5-----duck

good job