[In circle BB, m, arc, D, C, equals, 111, degreesm DC ⌢ =111 ∘ . Solve for xx if m, angle, D, B, C, equals, left parenthesis, 10, x, minus, 38, right parenthesis, degreesm∠DBC=(10x−38) ∘ . If necessary, round your answer to the nearest tenth.] [Bài táºÂÂÂp tiếng vi�] [Tinh túy] [������ͤ�ˤͤ�] [Bảo+vÃÃâ�] [con trung ky] [2439] [Sà O] [Cứu tinh vÅ© trụ] [óc vÄ© đại]