Respuesta :

Answer:

4

Step-by-step explanation:

Our equation is -11f= 7*(1-2f)+5

  • -11f=7*(1-2f)+5
  • 7*(1-2f)+5+11f=0
  • 7-14f+5+11f=0
  • 12-3f=0
  • f=12/4
  • f=4