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Mathematics, 17.05.2021 05:40 carechiga24

-3а - b - 3c = 9
4а + 4 - 4c = 4
2а + 4c = 18​

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Answers: 2

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-3а - b - 3c = 9
4а + 4 - 4c = 4
2а + 4c = 18​...
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