Definition and etymology Algebra is the branch of mathematics that studies algebraic structures and the operations they use. [1]

Algebra is great fun - we get to solve puzzles! What is the missing number? OK, the answer is 6, right? Because 6 − 2 = 4. Easy stuff. Well, in Algebra we don't use blank boxes, we use a …

Explore comprehensive Algebra 1 lessons, interactive exercises, and videos to master algebra concepts and enhance problem-solving skills on Khan Academy.

Oct 24, 2025 · Algebra is the branch of mathematics in which abstract symbols, rather than numbers, are manipulated or operated with arithmetic. For example, x + y = z or b - 2 = 5 are …

Aug 1, 2024 · Preliminaries - In this chapter we will do a quick review of some topics that are absolutely essential to being successful in an Algebra class. We review exponents (integer …

Algebra deals with Arithmetical operations and formal manipulations to abstract symbols rather than specific numbers. Understand Algebra with Definition, Examples, FAQs, and more.

Mar 18, 2025 · Algebra is a system of manipulating numbers and operations to try to solve problems. When you learn algebra, you will learn the rules to follow for solving problems.

Jul 23, 2025 · This section covers key algebra concepts, including expressions, equations, operations, and methods for solving linear and quadratic equations, along with polynomials …

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Learn algebra—variables, equations, functions, graphs, and more.