Предмет: Алгебра, автор: Dereeg

Помогите пожалуйста даю 20 баллов

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Ответы

Автор ответа: сок111213
1

Выразим х из первого уравнения:

х = 12 - 2у

Подставим во второе уравнение:

- 3 ( 12 - 2у ) + 2у = 4

Отвеь: 1)

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