реши уровнения. 5890 - х × 4 = 5390. 157 + х ×6 = 25705

5890-х*4=5390-4х= -500х=125------157+х*6=257056х=25548х=4258

1)5890 - х * 4 = 53905890 - 5390 = 4х500 = 4х4х = 500х = 500 : 4х = 125проверка:5890 - 125 * 4 = 53905890 - 500 = 53905390 = 53902)157 + х * 6 = 257056х = 25705 - 1576х = 25548х = 25548 : 6х = 4258проверка:157 + 4258 * 6 = 25705157 + 25548 = 25705 25705 = 25705