Substituting Values for Variables

This lesson covers evaluating algebraic expressions by substituting values for variables. It begins with simple expressions and progresses to more complex ones involving multiple variables and exponents. The importance of following the order of operations is emphasized throughout. Examples include evaluating expressions like 3x-2, 4y+5y, 30x-15y, and 4x^2+5y^3 with specific values for variables. The lesson concludes with a reminder to substitute, perform operations, and simplify.

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