As I said, there are many ways to pronounce "x" sounds here, and there are no clear rules for that. Most of the words with "x" come from different pre Hispanic languages, so they obey to specific sounds in the original language and to the different variations the Spaniards introduced when they couldn't pronounce them all.
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♪ ♫ ♪ Ain't it wonderful to be alive when the Rock'n'Roll plays... ♪ ♫ ♪
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