The equation "X = 200" indicates that the variable X is equal to the numerical value 200. In mathematics, this is a simple expression that shows a direct relationship between a variable and a constant. It can be used in various contexts, such as solving equations or representing quantities. In practical applications, knowing that X equals 200 can help in calculations involving measurements, finances, or data analysis. For example, if X represents the number of items in stock, then there are exactly 200 items available. This clarity aids in decision-making and planning.