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

User Granger
by
6.0k points

1 Answer

6 votes


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

User Aaron Saray
by
5.8k points