https://www.merriam-webster.com/dictionary/algebra

Algebra definition is - a generalization of arithmetic in which letters representing numbers are combined according to the rules of arithmetic.

https://www.mathsisfun.com/definitions/algebra.html

Illustrated definition of Algebra: Algebra uses letters (like x or y) or other symbols in place of values, and then plays with them using special...

https://www.mathsisfun.com/algebra/definitions.html

That equation says: what is on the left (x + 2) is equal to what is on the right (6). So an equation is like a statement "this equals that" ...

https://www.dictionary.com/browse/algebra

Algebra definition, the branch of mathematics that deals with general statements of relations, utilizing letters and other symbols to represent specific sets of ...

https://en.wikipedia.org/wiki/Algebra

Algebra is one of the broad parts of mathematics, together with number theory, geometry and ..... The two preceding examples define the same polynomial function. Two important and related problems in algebra are the factorization of ...

https://www.thoughtco.com/definition-of-algebra-2311577

Sep 16, 2018 ... Algebra is a branch of mathematics that substitutes letters for numbers. Algebra is about finding the unknown or putting real-life variables into ...

http://mathworld.wolfram.com/Algebra.html

The word "algebra" is a distortion of the Arabic title of a treatise by al-Khwārizmī about algebraic methods. In modern usage, algebra has several meanings.