Respuesta :

x+8/4-x+5/4
The first term in the series is a positive "x", and the third one is a "-x".  Since these are opposites, they cancel out
x+8/4-x+5/4
8/4+5/4
13/4
4 1/4
Answer: x+8/4-x+5/4


I hope this helps and have a wonderful day!