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Find YX.

 

 Aug 27, 2020
 #1
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first, the whole distance is 32, which is XZ.

then, write algebraic equation, XY+YZ = XZ, 3n + n+16 = 32

combine like terms: 4n = 16

n = 4 

and XY = 4*3 = 12

smiley

 Aug 27, 2020
 #2
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xy+yz=zx

3n + n+16 = 32

4n = 16

n=4

xy=3n=3*4=12

 

Very simple way °

 Aug 27, 2020

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