A. - 27 / 3 < x < = 12 / 4, b. - 28 / 4 < = x < - 21 / 7, c. - 21 / 7 < x < - 12 / 6, d. - 30 / 6 < x < - 28 / 14, e. - 36 / 9 < = x < - 15 /5

a,-27/3<x<=12/4
b,-28/4<=x<-21/7
c,-21/7<x<-12/6
d,-30/6<x<-28/14
e,-36/9<=x<-15/5