3+1/(x+3)>=0
x>=-3 x<=-10/3
(3x+10)/(x+3)<4
(x+2)/(x+3)>0
x>-2 U x<-3
x<=-10/3 U x>2
]-10/3;-3[
]-22/7;-3[
ответ x>2 U x<=-10/3 U ]-22/7;-3[
3+1/(x+3)>=0
x>=-3 x<=-10/3
(3x+10)/(x+3)<4
(x+2)/(x+3)>0
x>-2 U x<-3
x<=-10/3 U x>2
]-10/3;-3[
]-22/7;-3[
ответ x>2 U x<=-10/3 U ]-22/7;-3[