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  1. Algebraic expressions | Algebra basics | Math | Khan Academy

    The core idea in algebra is using letters to represent relationships between numbers without specifying what those numbers are! Let's explore the basics of communicating in algebraic …

  2. Writing expressions with variables (video) | Khan Academy

    To write simple algebraic expressions from mathematical statements, you can follow this procedure: 1. Identify the key terms in the written statement (e.g. "sum," "product," "quantity").

  3. Expressions, equations, & inequalities | 7th grade math - Khan …

    Bring on the algebra! Learn how to manipulate expressions and solve equations and inequalities.

  4. Rational expressions, equations, & functions | Khan Academy

    This topic covers: - Simplifying rational expressions - Multiplying, dividing, adding, & subtracting rational expressions - Rational equations - Graphing rational functions (including horizontal & …

  5. Algebra (all content) - Khan Academy

    Algebra (all content) 20 units · 412 skills Unit 1 Introduction to algebra Unit 2 Solving basic equations & inequalities (one variable, linear) Unit 3 Linear equations, functions, & graphs Unit …

  6. Combining like terms example (video) | Khan Academy

    In this lesson, we learned how to simplify algebraic expressions by combining like terms. We focused on understanding the intuition behind adding and subtracting coefficients of the same …

  7. Algebra 1 | Math | Khan Academy

    The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a …

  8. Linear equations and inequalities | Algebra basics | Math - Khan …

    We will now equate two algebraic expressions and think about how it might constrain what value the variables can take on. The algebraic manipulation you learn here really is the heart of …

  9. Algebra basics - Khan Academy

    Learn the basics of algebra—focused on common mathematical relationships, such as linear relationships.

  10. Algebraic expressions | NCERT Math Class 8 (Bridge) | Khan Academy

    Algebraic expressions Learn Variables, expressions, & equations Terms, factors, & coefficients