I still don't get it evaluating expressions

The video tutorial provides a review of numeric and algebraic expressions, explaining the concept of variables as unknowns in algebraic expressions. It demonstrates how to evaluate expressions by substituting different values for the variable X, using examples to illustrate the process. The tutorial emphasizes understanding the flexibility of variables and the method of evaluating expressions by plugging in given values.

What new insight or understanding did you gain from this video?

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