Algebra is a branch of mathematics that deals with abstract systems, known as algebraic structures, and the manipulation of expressions within those systems. It is a generalization of …

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

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 …

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

Dec 18, 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 …

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

Learn about functions, graphs, lines, and polynomials. "Algebra" is the math for describing how different things are related. 1. Addition and subtraction. What happens when you add negative …

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Discover free and interactive resources for exploring and practicing algebra, organized by grade level for easy browsing. Ideal for teachers and students in Grades 4-12.

Struggling with algebra? This quick video will give you the solid foundation you need to finally feel confident.