Question

(x - 1 8/23) + 3 19/23 = 5 12/23

Answer 1

Х-1 8/23+3 19/23= 5 12/23; ->> Х- (23*1+8)/23+ (23*3+19)/23=(23*5+12)/23; ->> Х- 31/23+ 88/23=127/23; ->> Х=127/23-88/23+31/23; ->> Х=70/23; ->> Х= 3 1/23; ->> Проверка; 3 1/23- 1 8/23+ 3 19/23= 70/23- 31/23+ 88/23= 127/23= 5 12/23.