The equation that can be used to determine n is n = 51/3.
<h3>What is the equation that can be used to determine the number of 7th graders?</h3>
Total number of 8th graders in the council = 3(number of 7th graders) - 12
39 = 3(n) - 12. Where n represents the number of 7th graders
In order to determine the value of n, take the following steps:
Combine similar terms: 39 + 12 = 3n
Divide both sides of the equation by 3 : n = 51/3
To learn more about division, please check: brainly.com/question/194007
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