Is it possible for me to drink xanax (alprazolam) after two beers ?

Not advisable: First of all you just asked me if it's possible to drink xanax (alprazolam). That alone makes me think that you're already intoxicated. No one should have two beers or more plus a xanax (alprazolam). You're likely to drink yourself under the table with the combination. There are also other dangers associated with it such as the cessation of breathing. Please don't do it. And especially, do not drink and drive.