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What are the solutions of the inequality |7x|≥21

What are the solutions of the inequality |7x|≥21
asked 189k views
4 votes
What are the solutions of the inequality |7x|≥21

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User Granger
by
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1 Answer

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|7x|>21\\7|x|>21\\|x|>3\\x>3 \vee x<-3\\x\in(-\infty,-3)\cup(3,\infty)

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User Aaron Saray
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