Final answer:
The rules to follow when writing a formal argumentative essay, except for using first-person point of view are avoiding slang, abbreviation, and contractions, while using a variety of sentence structures.
Step-by-step explanation:
When writing a formal argumentative essay, you should follow the rules of avoiding first-person point of view, slang, abbreviation, and contractions. However, it is recommended to use a variety of sentence structures to enhance the fluency and clarity of your essay.
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