What is a variable

The video tutorial introduces the concept of variables as unknown quantities that can be represented using letters, symbols, or even creative symbols. It explains how variables are used in mathematics to solve problems by assigning them to unknown quantities. The tutorial provides examples of variables in real-life scenarios, such as money and distance, and discusses the importance of assigning variables to measurable quantities. It concludes by emphasizing that variables are simply representations of unknown quantities, and various representations can be used without altering their mathematical properties.

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