Question 35023
2) -n-9+8n=26
  7n-9=26
  7n=35
   n=5
3) 5(w-7)=-15
 5w-35=-15
 5x=20
  x=4
4) m=3(m-4)+16
  m=3m-12+16
  -2x=4
    x=-2
Cheers,
Stan H.