(х - 3/8)*8/35+2 целых 2/7=2 целых 2/5 решите плз быстрее

(х - 3/8) * 8/35 + 2 2/7 = 2 2/5 (х - 3/8) * 8/35 = 2 2/5 - 2 2/7 (х - 3/8) * 8/35 = 2 14/35 - 2 10/35 (х - 3/8) * 8/35 = 4/35 х - 3/8 = 4/35 : 8/35 х - 3/8 = 4/35 * 35/8 х - 3/8 = 1/1 * 1/2 х - 3/8 = 1/2 х = 1/2 + 3/8 х = 4/8 + 3/8 х = 7/8