Решите уравнение:
Заранее спасибо

(1/6) / (3х/12 - 4/12) = 1/40 + 3/8
(1/6) / ((3х-4/12)) = 1/40+15/40
1/6 * (12/(3х-4)) = 16/40
12/(18х-24) = 2/5
12/(2(3х-4)) = 2/5
2/(3х-4) = 2/5
10 = 6х-8
6х=18
х=3