The list below has some of the most common symbols in mathematics. However, these symbols can have other meanings in different contexts other than math. [source?]

List of all math symbols and meaning - equality, inequality, parentheses, plus, minus, times, division, power, square root, percent, per mille,...

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its …

Jul 23, 2025 · In an algebraic expression, "x" typically represents a variable or unknown. A variable is a symbol (usually a letter) that stands for an unknown value or a value that can …

Mathematics: In mathematics, X is often used to denote an unknown variable in equations and functions. For example, in the equation 2x + 3 = 7, X represents the value that, when …

Jan 17, 2024 · X is just one of many symbols used to denote variables—the others include Y, Z, and so forth. Algebra often starts with X as the unknown to solve for, but it can stand for any …

Jun 23, 2025 · Learn 50+ math symbols with names, meanings, and pictures. Covers arithmetic, algebra, and geometry signs for kids and ESL learners.

Jun 9, 2025 · Key Points The variable 'X' represents an unknown value or quantity in algebraic equations and expressions. The use of 'X' and other variables enables mathematicians to …

Learn about the meaning of "x." Understand what a variable represents and what "x" means in math. Learn more about why we generally write "x" as a variable.

Jul 16, 2025 · What does x mean in math? Answer: In mathematics, x is one of the most commonly used symbols and typically represents an unknown quantity, variable, or coordinate …