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Автор - Снижу

Решите систему уравнений y-3x=-5
2y+5x=23

Ответ

Автор - vlad123455432167765
у= 3 х - 5
2 (3х - 5) + 5 х = 23
6 х -10+5х = 23
11 х = 33
х = 3

у = 3 * 3 - 5
у = 4

Ответ: х = 3, у = 4

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