Решите уравнение 1) (2 9/59-a)-16/59=1 5/59 2) 3 4/9-(x-1 7/9)=2 2/9
3) 10 6/10-(7 3/10-y)=4 9/10 4)17 18/35-(n+4 23/35)=9 12/35

29/59-а=15/59+16/5929/59-а=31/59-а=31/59-29/59-а=2/59а=-2/59проверка:29/59+2/59=15/59+16/5931/59=31/59