Răspuns :
x=oi
y =gaini
x+y = 50 capete x=50-y
4x+2y =124 picioare
4(50-y ) +2y =124
200- 4y +2y =124
4y-2y =200-124
2y =76
y =38 gaini
x=50-y =50-38 =12 oi
v ; 4*12+2*38 =48+76 =124
y =gaini
x+y = 50 capete x=50-y
4x+2y =124 picioare
4(50-y ) +2y =124
200- 4y +2y =124
4y-2y =200-124
2y =76
y =38 gaini
x=50-y =50-38 =12 oi
v ; 4*12+2*38 =48+76 =124