Background Tutorials

• Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in real-world problems. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations).

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    How Do You Evaluate an Algebraic Expression?

    Plugging variables into an expression is essential for solving many algebra problems. See how to plug in variable values by watching this tutorial.