ethanlin
ethanlin
05-01-2017
Mathematics
contestada
Explain why 3|2x+1|<-9 has no solution
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ClareLIU
ClareLIU
05-01-2017
First of all, you have to know |2x+1| is >0 or =0 forever. However, -9 divided by 3 equals -3. -3 is still negative. How can a positive number or zero is less than a negative number? In a word,
3|2x+1|<-9 has no solution.
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