If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content

Parts of algebraic expressions: Variables & expressionsSubstitution & evaluating expressions: Variables & expressionsEvaluating expressions with multiple variables: Variables & expressionsExpression value intuition: Variables & expressionsEvaluating expressions word problems: Variables & expressions

Algebraic equations basics: Equations & inequalities introductionOne-step equations intuition: Equations & inequalities introductionOne-step addition & subtraction equations: Equations & inequalities introductionOne-step multiplication and division equations: Equations & inequalities introduction

Finding mistakes in one-step equations: Equations & inequalities introductionOne-step equation word problems: Equations & inequalities introductionIntro to inequalities with variables: Equations & inequalities introductionDependent and independent variables: Equations & inequalities introductionAnalyzing relationships between variables: Equations & inequalities introduction

Combining like terms: One-step and two-step equations & inequalitiesThe distributive property & equivalent expressions: One-step and two-step equations & inequalitiesInterpreting linear expressions: One-step and two-step equations & inequalitiesTwo-step equations intro: One-step and two-step equations & inequalities

Two-step equations with decimals and fractions: One-step and two-step equations & inequalitiesTwo-step equation word problems: One-step and two-step equations & inequalitiesOne-step inequalities: One-step and two-step equations & inequalitiesTwo-step inequalities: One-step and two-step equations & inequalities

Test your knowledge of the skills in this course. Have a test coming up? The Course challenge can help you understand what you need to review.