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If N is the midpoint of PR and PN=4x+5 and NR=7x-16, find the length of PR

Guest Oct 6, 2017
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 #1
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14x-11

Guest Oct 6, 2017
 #2
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the length of PR  =  the length of PN + the length of NR

 

the length of PR  =  4x + 5   +   7x - 16

 

the length of PR  =  4x + 7x + 5 - 16 

 

the length of PR  =  11x  - 11

hectictar  Oct 8, 2017

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