Multiply through by 12 --> (12)(y+4/4) = (y+2/3)(12)
Now you have after cancellation ---> (3)(y+4/1) = (y+2/1)(4)
Now distribute --> 3y+4 = 4y+2
Now move all y to one side and constant to the other --> 3y - 3y + 4 - 2 = 4y - 3y +2 - 2
Final Answer --> 2 = y