Exam (elaborations)
GRE math review algebra Exam Questions and Answers 2023
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GRE math review algebra Exam Questions and Answers 2023 what is a variable? - A symbol for a number we don't know yet. It is usually a letter like x or y. (*any letter can be used) (EX): in x + 2 = 6, x is the variable. Variables enable you to present a word problem in terms of unknown ...
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