The Energon Pub

How do I get my gamerscore on my normal xbox 360 account to being on my xbox live account? Can anyone help.? I have a normal xbox account with gamerscore on it and ive had to create a new account with no gamerscore on it. Do I have to complete all the games again?
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The whole account thing is screwy, after all the research I did I found that there was no way to alter or delete your different profiles. I had one with my gamerscore and another that was my live account. I don't know how I ended up with two of them, but I couldn't get live on the first one because I had live on the second one. And for some reason I couldn't delete the second one.