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Write a mathematical expression using absolute value that says 

 

x is at least twice as far from 5 than from 3

 

I have deleted the second one.   If you get an answer to the first then you can do the second yourself.

 

Count yourself lucky. Often when I see more than one question on a post I delete the whole lot.  

 

Melody.

 Jun 25, 2021
edited by Melody  Jun 25, 2021
 #1
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+2

 

 

x is at least twice as far from 5 than from 3

 

the distance between 5 and x is |5-x|     which is the same as  |x-5|

the distance between 3 and x is |3-x| 

 

5 is further away

 

so

\(|5-x| \ge 2*|3-x|\)

 Jun 25, 2021
 #2
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I think about to make special app for the same tasks.

 Jun 25, 2021

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