Answer:
-3 < x < -1 → x∈(-1, -3)
Step-by-step explanation:
(1)
x + 5 < 4 subtract 5 from both sides
x + 5 - 5 < 4 - 5
x < -1
(2)
x - 3 > -6 add 3 to both sides
x - 3 + 3 > -6 + 3
x > -3
From (1) and (2) we have
x < -1 and x > -3 → -3 < x < -1 → x∈(-1, -3)
