The teacher will be very surprised to see your correct solution 😉
7*y 3*y
4*y + --- - 3 - y - --- - 3 = 1
2 2
4*y+7/2*y-3-y-3/2*y-3 = 1
-6 + 5*y = 1
y = 7 / (5)
sum
7/5
=
7/5
product
7/5
=
7/5
7/5