Mathematics, 30.01.2021 01:00, lele1522

-7x – 4y = 11
7x + 4y = 20

Answers: 1

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-7x – 4y = 11
7x + 4y = 20...

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-7x – 4y = 11 7x + 4y = 20

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-7x – 4y = 11
7x + 4y = 20