Respuesta:
A) 9x+4+3>5+30-1
9x+7>34
9x>34-7
9x>27
x>27/8
x>3
C.S ]3,∞[
B) -11x+4-25≥19+7-3
-11x-21≥23
-11x≥23+21
-11x≥44
x≤-4
C.s ]-∞,-4]
C) 5x-6≤10-5+9
5x≤20
x≤20/5
x≤4
C.s ]-∞,4]
D) -4x<200-36
-4x<164
x<-164/4
x<-41
C.s ]-41,+∞[
