Cách sử dụng
An equation is a written statement showing that two things are equal, by using symbols like numbers, letters, and plus or minus signs. It is often used in math, science and engineering to find solutions or solve problems. For example, 2+3=5 is an equation showing that 2 plus 3 equals 5. Even in everyday life, we use equations when we compare prices of items, calculating expenses or discounts, and setting budgets.