Practice Addition and subtraction of algebraic expressions - 1 Get 3 of 4 questions to level up!

Solving equations Learn Worked example: two-step equations Equations with parentheses

Practice Multiply & divide rational expressions (advanced) Get 3 of 4 questions to level up!

Learn to write algebraic expressions with Khan Academy's step-by-step lessons and practice exercises.

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 …

Learn to evaluate all sorts of expressions: expressions with one variable, two variables, fractions and decimals, and even expressions in word problems.

In algebra, we use variables like x, y, and z to represent unknown values. Expressions are combinations of variables and numbers, while equations equate two expressions.

In this lesson, we learned how to turn word statements into algebraic expressions. We practiced with examples like "two less than x" and "y fewer than three." Understanding how to translate …

Explore algebraic expressions with Khan Academy's free, interactive resources designed to make learning math engaging and accessible for everyone.

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 …