Реши уравнение 42172-5*х=7152
5x=42172-7152; 5x=35020; x=35020:5; x=7004.
5х= 42172-7152 5х= 35020 х=35020:5 х=7004
42172-5*х=7152 5х=42172-7152 5х=35020 х=35020:5 х=7004 42172-5*7004=7152
5*х=42172-7152 5*х=35020 х=35020:5 х=7004 Проверка: 42172-5*7004=7152