Предмет: Алгебра, автор: 1lovedog

помогите пожалуйста

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Автор ответа: zanbolkobeev999

1

Ответ:

Объяснение:

2x+y=2* $\frac{1}{4}+3=0,5+3=3,5$

x-y=-3+2=-1

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