You will encounter the term variable when you learn about programming. In programming, a variable could contain a number, but also characters, words, or other types of values.

A symbol, often a letter from the alphabet, which represents an unknown value.

Mathagon

Algebra

Variable

Coefficient

Algebraic Expression

Combining like Terms

Subtracting Variables

Adding and Subtracting Unlike Terms

Multiplying Numbers by Coefficients

Combining Variables with Exponents

Replacing a Variable with a Number

Elementary Algebra

Introduction

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