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Автор - dashrf1999

У=3-х
Х+2у=3
Решить систему уравнений двумя
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Ответ

Автор - jalgan88ai
х+2(3-х)=3
х+6-2х=3
-х=3-6
-х=-3
х=3
у=3-3
у=0

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