S132223
S132223
05-10-2020
Mathematics
contestada
What are the solutions of the inequality |7x|≥21
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konrad509
konrad509
05-10-2020
[tex]|7x|>21\\7|x|>21\\|x|>3\\x>3 \vee x<-3\\x\in(-\infty,-3)\cup(3,\infty)[/tex]
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