1) 372 - x = 198x = 372 - 198x = 174
Ответ: x = 174
2) x+594x + 594x+594 + 123 = 873x + 594 + 123 = 873x + 717 = 873x = 873 - 717x = 156
Ответ: x = 156
1) 372 - x = 198
x = 372 - 198
x = 174
Ответ: x = 174
2) x+594x + 594x+594 + 123 = 873
x + 594 + 123 = 873
x + 717 = 873
x = 873 - 717
x = 156
Ответ: x = 156