# Basics of Algebra

## Algebra

Algebra is a form of mathematics in which we do not only use numbers but also letters and symbols. Studying algebra involves working with these symbols and letters and learning the techniques used to manipulate them. We use algebra for generalising patterns, displaying rules and for finding answers to expressions in which we have at least one unknown number. Usually, algebra is taught from the beginning of secondary school to the end of university (if you study a subject that involves maths). The Basics of Algebra

### The Concept

In algebra, letters such as a,b and x represent unknown numbers. For example, and algebraic expression could be 3 + x = 8. X represents the number 5 as 3 plus 5 is equal to 8. Using algebra, we can so solve problems in which numbers are missing. If a problem like this is more complicated, we can easily solve it by doing the reverse operation which would be 8 - 3 = x (5).

### The Language of Algebra

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