2y+5/3y-6=5y-4/2y-4 + ½
2y+5/3y-6=2(5y-4)+2y-4/2(2y-4)
2y+5/3y-6=3y-3/y-2
(2y+5)×(y-2)=(3y-6)×(3y-3)
7y²-28y+28=0
(7y-14)(y-2)=0
y=2
2y-4=0
所以此题无实数解.
2y+5/3y-6=5y-4/2y-4 + ½
2y+5/3y-6=2(5y-4)+2y-4/2(2y-4)
2y+5/3y-6=3y-3/y-2
(2y+5)×(y-2)=(3y-6)×(3y-3)
7y²-28y+28=0
(7y-14)(y-2)=0
y=2
2y-4=0
所以此题无实数解.