Respuesta :

Step-by-step explanation:

  • -7.2(x-15.6)= -9
  • -7.2x+112.32= -9
  • -7.2x= -9-112.32
  • -7.2x= -121.32
  • x= -121.32/ -7.2
  • x=16.85

hope it helps.

stay safe healthy and happy.