How Do You Evaluate an Algebraic Expression with One Variable?

How Do You Evaluate an Algebraic Expression with One Variable?

Note:

If you have a value for a variable in an expression, you can evaluate that expression by plugging in that variable value and simplifying! Follow along with this tutorial to see the entire step-by-step process.

Keywords:

problem

evaluate

plug in

algebraic expression

variable

Background Tutorials

Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.

You can't simplify a problem without the order of operations. In this tutorial, you'll learn about this special order and see how to use it to solve a problem!

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).

You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!

You can't simplify an expression without fully understanding the order of operation! Follow along with this tutorial to see how to use the order of operations to simplify an expression.

Further Exploration

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).

Learning how to complete a table of values is a building block of math. You can use a table to see a pattern or even make a graph! This tutorial shows you how to complete a table when you're given an expression and multiple values to plug in.