The equation "3 + 2 = 5" represents a basic arithmetic operation known as addition. In this equation, the number 3 is combined with the number 2 to produce a total of 5. Addition is one of the fundamental operations in mathematics, used to calculate the sum of two or more numbers. In practical terms, if you have 3 apples and you receive 2 more apples, you will have a total of 5 apples. This simple concept is essential for understanding more complex mathematical ideas and is commonly used in everyday life, such as counting, budgeting, and measuring.