Предмет: Алгебра, автор: монстер8

2×-1<7 помогите пжалуста

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Автор ответа: DIMAhelper12343
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2x-1<7            2x<8        x<4     Потом строишь прямую отмечаешь там пустую точку 4(так как знак < ) а с двух краев отмечаешь бесконечности. Если у тебя меньше значит ответ (-∞;4)




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