Помогите пожалуйста решить
1/6 : (1/4х - 1/3) = 1/40 + 3/8 1/6 : (1/4х - 1/3) = 2/5 1/4х - 1/3 = 1/6 : 2/5 1/4х - 1/3 = 5/12 1/4х = 5/12 + 1/3 1/4х = 3/4 х = 3/4 : 1/4 х = 3