Answer:
(B). - 7 ≤ x < 12
Step-by-step explanation:
- 7x - 50 ≤ - 1 ⇔ - 7x ≤ 49 ⇒ x ≥ - 7
and
- 6x + 70 > - 2 ⇔ - 6x > - 72 ⇒ x < 12
- 7 ≤ x < 12
