Предмет: Алгебра, автор: kristenhancher

Укажите неравенство, решением которого является множество [3; +бесконечность]. с обоснованием

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Автор ответа: ludmilagena

0

2)
3-3x ≤ -2x
-3x+2x ≤ -3
-x≤ -3
x ≥ 3 или х∈[3;+∞]

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