The equation "2X = 4" represents a simple algebraic expression where X is a variable. In this equation, the number 2 is multiplied by X, and the result equals 4. To find the value of X, you can divide both sides of the equation by 2, leading to X = 2. This equation illustrates the concept of solving for a variable, which is a fundamental skill in mathematics. Understanding how to manipulate equations like "2X = 4" helps in various applications, from basic arithmetic to more complex problem-solving scenarios in fields such as science and engineering.