Question

Реши двойное неравенство

Answer 1

16 ≤ 2x – 14 < 30

16 + 14 ≤ 2x – 14 + 14 < 30 + 14

30 ≤ 2x < 44

30 / 2 ≤ 2x / 2 < 44 / 2

15 ≤ x < 22

x ∈ [15; 22)