(2x-1/8x):1/2=1/3 решите зар спс

(2 * x - 1 / 8 * x) : 1 / 2 = 1 / 3;х * (2 - 1 / 8) / (1 / 2) = 1 / 3; х * (16 / 8 - 1 / 8) / (1 / 2) = 1 / 3; х * (16 - 1) / 8 / (1 / 2) = 1 / 3; х * 15 / 8 / (1 / 2) = 1 / 3; х * 15 / 8 * (2 / 1) = 1 / 3; х * 15 / 4 = 1 / 3; х = 1 / 3 / (15 / 4); х = 1 / 3 * (4 / 15); х = 4 / (3 * 15); х = 4 / 45; Проверка: (2 * 4 / 45 - 1 / 8 * 4 / 45) / (1 / 2) = 1 / 3;(8 / 45 -4 / (8 * 45)) / ( 1 / 2) = 1 / 3; (64 - 4) / (8 * 45) * 2 = 1 / 3; 60 / (8 * 45) * 2 = 1 / 3; 120 / (8 * 45) = 1 / 3; 15 / (1 * 45) = 1 / 3; 15 / 45 = 1 / 3;1 / 3 = 1 / 3;ВерноОтвет: х = 4 / 45.