Respuesta :

Answer:

1/3(x+y-5)=y-z=2x- 11=9-(x+2z)

Step-by-step explanation:

1/3(x+y-5)=y-z=2x-11=9-(x-2z)

  • (x+y-5)=3y-3z=6x-33=37-2(x-2x)
  • x+y-5=3y-3z=6x-33=37-3x+6z
  • x-6x+3x=3y-y=-3z-6z=37+33
  • -2x=3y=-9z=70.