1 3/23(8 2/3-3/4x)=4 5/23
1 3/23(8 2/3-3/4*х)=4 5/23 8 2/3-3/4*х=4 5/23:1 3/23 8 2/3-3/4*х=97/23:26/23 8 2/3-3/4*х=97/26 3/4*х=8 2/3-3 19/26 3/4*х=8 52/78-3 57/78 3/4*х=7 130/78-3 57/78 3/4*х=4 73/78 х=4 73/78:3/4 х=385/78:3/4 х=770/117 х=6 68/117
Ну и уравнение! Условие то верно записано?