"X Equals 50" is a simple mathematical equation where the variable X is assigned the value of 50. This means that whenever you see X in a mathematical expression or problem, you can replace it with the number 50. This concept is fundamental in algebra, where variables represent unknown values that can be solved or defined. In practical terms, if you have an equation like X + 10 = 60, you can substitute X with 50 to check if the equation holds true. This substitution helps in solving equations and understanding relationships between numbers in mathematics.