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September 21st, 2017, 09:10 PM  #1 
Senior Member Joined: Jan 2017 From: US Posts: 113 Thanks: 6  Solve for the Value of a Line Segment
Hi everyone, Can anyone point me in the right direction with this problem? It would be greatly appreciated! In the image provided, points A, B, C, D, and E are collinear. AB = 2x + 4, BC= 3x 12, CD= 2x + 4, DE = 5x 21, and AE = 119. Show your work and explain the steps used to solve for the value of DE. I have attached an image of the line. Thanks! 
September 21st, 2017, 09:41 PM  #2  
Senior Member Joined: Sep 2015 From: USA Posts: 2,124 Thanks: 1102  Quote:
$(2x+4)+(3x12)+(2x+4)+(5x21) = 119$ $12x 25 = 119$ $12x = 144$ $x=12$  
September 21st, 2017, 09:49 PM  #3  
Senior Member Joined: Jan 2017 From: US Posts: 113 Thanks: 6  Quote:
Anyway, thank you! It was apparently simpler than I was making it out to be.  

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line, segment, solve 
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