(5,346/х)*907=269,379
4848,822/х=269,379
х=4848,822/269,379
х=18
проверка
5,346/18=0,297*907=269,379
2) 90,000-(х+23,168)=57,419
90,000-х-23,168=57,419
66,832-х=57,419
-х=57,419-99,832
-х=-9,413
х=9,413
проверка
90,000-(9,413+23,168)=90,000-32,581=57,419