"X Equals 10" is a simple mathematical equation where the variable X is assigned the value of 10. In this context, X represents an unknown quantity that can be solved or defined. This equation is often used in algebra to illustrate how variables can be manipulated and understood. In practical terms, if you have an equation like X + 5 = 15, you can substitute X with 10 to see if it holds true. This means that understanding the value of X helps in solving various mathematical problems and equations effectively.