Решить уравнение с дробями 3 1/3: (2/3x-13/15)=1 9/16

3 1/3 : (2/3x - 13/15) = 1 9/16,

2/3х - 13/15 = 3 1/3 : 1 9/16,

2/3х - 13/15 = 10/3 : 25/16,

2/3х - 13/15 = 10/3 * 16/25,

2/3х - 13/15 = 32/15,

2/3х = 32/15 + 13/15,

2/3х = 45/15,

х = 45/15 : 2/3,

х = 45/15 * 3/2,

х = 4 1/2