Mathematics, 11.09.2020 15:01 samanthashade8352
|2n+5|>/9 solve for n?
Answers: 1
![|2n+5|\geq9\iff2n+5\geq9\ or\ 2n+5\leq-9\ \ \ |subtract\ 5\ from\ both\ sides\\\\2n\geq4\ or\ 2n\leq-14\ \ \ \ \ |divide\ both\ sides\ by\ 2\\\\\boxed{n\geq2\ or\ n\leq-7}\\\\\boxed{\boxed{n\in(-\infty;-7]\ \cup\ [2;\ \infty)}}](/tpl/images/0752/3362/40be5.png)
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