i need help knowing how to delete my documents file or w/e it is in order to play my fifa 07 with certaing patches?

What patches are you trying to use together? Some are just flat out incompatible with one another.

To my knowledge the only time deleting your "Fifa '07" folder from my documents is if you did the following:

Downloaded and installed the "Career Expansion Patch"

Tried to edit it using CC or CM07 (improperly)

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This would cause your game to crash (or at least it did in '06)

Even if you reinstalled your entire game the game would still crash. To solve that problem you would delete My Documents/Fifa '07

i downloaded a patch called ligas de america v.1 at fifa-argentina and one of the steps in order to installing the patch or to make the patch work in to delete the My documents folder.

Go to the My documents/fifa 07 and delete the file D.squads or reset your squads in game.