Algebra is a branch of mathematics that deals with symbols and the rules for manipulating those symbols. It allows us to represent real-world problems using equations and expressions, making it easier to solve for unknown values. Concepts such as variables, constants, and coefficients are fundamental in algebra, enabling us to formulate and solve equations. In its various forms, such as Linear Algebra and Abstract Algebra, this discipline plays a crucial role in fields like science, engineering, and economics. Mastering algebraic techniques is essential for advanced studies in mathematics and helps develop critical thinking skills.