7/3+1/3y=3y-3

7/3+1/3y=3y-3

(7/3 + 3) = 3y - (1/3)y

5 1/3 = 2 2/3y

(16/3) / (8/3) = y

(16/3) * (3/8) = y

48/24 = y

2 = y