Предмет: Алгебра, автор: dydo123

Помогите решить систему уравнений.Заранее спасибо.
2x+5y=10
4x+10y=15

Ответы

Автор ответа: Аноним
0
2х + 5y = 10
- 4x - 10y = - 20
4x + 10y = 15
- 4x + 4x - 10y + 10y = - 20 + 15
0 не равен - 5
Неверное равенство
Ответ система не имеет решений
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