Read the following description of a relationship:
A principal asked some local nurseries to each donate 6 trees to her school. The plan is to plant 9 trees in the student garden and the rest near the athletic fields.
Let n represent the number of nurseries that donate trees and t represent the number of trees to be planted near the athletic fields.
This relationship can also be shown in a table. Complete the equation that represents the relationship between n and t.
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