Building on Your Knowledge of Linear Equations and Inequalities You’ve already learned how to create algebraic expressions, solve linear equations,…

Visualizing Solutions on the Coordinate Plane In the earlier articles, you learned how to build algebraic expressions, solve equations, and…

Building on Algebraic Expressions and Linear Equations If you’ve already studied algebraic expressions and linear equations, you’re ready to explore…

A Follow-up to Algebraic Expressions and Equations Now that you’ve learned about algebraic expressions and how to solve basic equations,…

What Is a Variable? In algebra, a variable is a letter that stands in for a number we don’t know…

What Is Algebra? Algebra is a branch of mathematics that helps us solve problems using symbols and numbers. Instead of…