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Автор - Mongol99

Решите систему неравенств
15-5х> или равно 9-4х
2х-1>или равно 3х

Ответ

Автор - Larisaremizowa
1)
15-5х≥9-4х,
-5х+4х≥9-15,
-х≥-6,
х≤6
(-∞;6]
2)
2х-1≥3х,
2х-3х≥1,
-х≥1,
х≤-1,
(-∞-1]

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