Помогите пожалуйста! Решите систему уравнений ( y=3x-1 < ( 2x+y=9 - №13122782

Помогите пожалуйста! Решите систему уравнений
( y=3x-1
<
( 2x+y=9
- Предмет:
  Алгебра
- Автор:
  hanna70
- 6 лет назад

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How much to ban the user?

1 hour 1 day 100 years