SOLUTION: I do not know how to figure out line segments with Algebra. It says to use the Segment Addition Postulate but I do not know what that is. 31. LM=3x+8 MN=2x-5 LN=23 32

Algebra ->  Length-and-distance -> SOLUTION: I do not know how to figure out line segments with Algebra. It says to use the Segment Addition Postulate but I do not know what that is. 31. LM=3x+8 MN=2x-5 LN=23 32      Log On


   

Question 209882This question is from textbook Geometry
: I do not know how to figure out line segments with Algebra. It says to use the Segment Addition Postulate but I do not know what that is.
31. LM=3x+8
MN=2x-5
LN=23
32. LM=7y+9
MN=3y+4
LN=143 This question is from textbook Geometry

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If B is between A and C, then AB + BC = AC. The converse is also the same. If AB + BC = AC, then B is between A and C.

So, for your problem 31, presuming that the points are labeled in alphabetical order, you can say:



Just solve for .

Solve the other problem the same way.


John