Question

помогите решить уравнение

Answer 1

Вот. Надеюсь, поймёшь почерк.

Answer 2

4 2/7 - у = 1 6/7                   н - 3/5 = 6 4/5
у = 4 2/7 - 1 6/7                   н = 6 4/5 + 3/5
у = 2 3/7                              н = 7 2/5
_________________         ________________
4 2/7 - 2 3/7 = 1 6/7             7 2/5 - 3/5 = 6 4/5
           1 6/7 = 1 6/7                     6 4/5 = 6 4/5