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Mathematics 7 Online
OpenStudy (anonymous):

Which of the following is a solution of the compound inequality -1 < 2n + 1 < 5? A. -1 < n < 5 B. n > 2 or n < -1 C. -1 < n < 2 D. n < -2 or n > 4

OpenStudy (anonymous):

I have no idea on this one

OpenStudy (anonymous):

hint.. -1-1<2n<5-1 then divide all by 2 and you'll have the result ...

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