Respuesta :

Answer:

y=8

Step-by-step explanation:

  1. 4-2y+3=-9
  2. 4+3-2y=-9
  3. 7-2y=-9
  4. 7-2y-7=-9-7
  5. -2y=-16
  6. -2y/-2=-16/-2
  7. y=8