Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
An equation is a mathematical statement that shows the equality between two expressions. It consists of variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division.
Related terms
Variable: In mathematics, a variable is a symbol used to represent an unknown value or quantity. It can change or vary in different situations or equations.
Expression: An expression is a combination of numbers, variables, and mathematical operations without an equal sign. It represents a value but does not state any relationship between two quantities.
Solving refers to finding the values of variables that satisfy an equation or system of equations. It involves applying various techniques and operations until the unknowns are determined.