desmondgarrett1 desmondgarrett1

17-11-2014
Mathematics

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how to solve this multistep inequality (3f+9<21)

Verified Answer :

18-11-2014

\(3f+9<21\ \ \ \ \ | subtract\ 9\\\\ 3f<12\ \ \ | divide\ by\ 3\\\\ f<4\\\\ Solution\ is\ f\in(-\infty,4)\)

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