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13-01-2015
Mathematics

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How can i solve b-2>18 or 3b<54

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13-01-2015

[tex]b-2>18\ \ \ | add\ 2\ \ \ or\ \ \ \ 3b<54\ \ \ | divide\ by\ 3\\\\ b>20\ \ \ \ or\ \ \ b<18\\\\ b\in (-\infty,18) \cup (20,+\infty)[/tex]

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