Respuesta :
A---------------B-----------------C---------------D
2x y x
3(2x +y) - y = 20 2x+y+x Entonces---> 2x+y+x=2x5/3+5+5/3
6x + 3y - y =20 2x+(20-6x)/2+x ----> 10
6x + 2y =20 x= 5/3 :D
y= (20-6x)/2 y=5
2x y x
3(2x +y) - y = 20 2x+y+x Entonces---> 2x+y+x=2x5/3+5+5/3
6x + 3y - y =20 2x+(20-6x)/2+x ----> 10
6x + 2y =20 x= 5/3 :D
y= (20-6x)/2 y=5
A---------------B-----------------C---------------D
2x y x
3(2x +y) - y = 20 2x+y+x Entonces---> 2x+y+x=2x5/3+5+5/3
6x + 3y - y =20 2x+(20-6x)/2+x ----> 10
6x + 2y =20 x= 5/3 :D
y= (20-6x)/2 y=5