若x+1/x=2+1/2则x=2或1/2,若x+1/x=3+1/3则x=3或1/3,若y+1/y+1=7/3则y=?

问题描述:

若x+1/x=2+1/2则x=2或1/2,若x+1/x=3+1/3则x=3或1/3,若y+1/y+1=7/3则y=?

y+1/y+1=7/3
y+1+ 1/y+1= 7/3+1=10/3=3+1/3
所以
y+1=3或1/3
y=2或-2/3