The information below describes a redox reaction.

3 equations: First: upper A g superscript plus (a q) plus upper A l (s) right arrow upper A g (s) plus upper A l superscript 3 plus (a q). Second: upper A G superscript plus (a q) plus e superscript minus right arrow upper A g (s). Third: upper A l (s) right arrow upper A l Superscript 3 plus (a q) plus 3 e superscript minus.

What is the coefficient of silver in the final, balanced equation for this reaction?
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