Mathematics
What is Algebra?
Algebra is the branch of mathematics that uses letters and symbols to represent numbers in equations and formulas. It lets you solve for unknown values and describe general relationships, not just specific sums.
See it, don’t just read it.
Watch a 2-minute lesson with voice + animation that explains algebra.
Key things to understand
- 1Letters (variables) stand in for unknown or changing numbers.
- 2You solve equations by keeping both sides balanced.
- 3It generalizes arithmetic into rules that work for any number.
- 4It's the foundation for higher math, science, and computing.
Frequently asked questions
- What is a variable in algebra?
- A letter (like x) that represents an unknown or changeable number.
- How do you solve an algebra equation?
- Do the same operation to both sides to isolate the unknown while keeping the equation balanced.
- Why do we learn algebra?
- It builds problem-solving skills and underpins science, engineering, finance, and computing.