# Equation

Definition 1 of 3

Pro Tip 1/3

Mathematical Equality

In math, 'equation' refers to a statement where two expressions are equal due to arithmetic or algebraic principles. Find x in the equation x + 3 = 7.
Pro Tip 2/3

Variables Involved

Equations often include variables like x or y, which represent unknown values to be solved. The equation 5x - 4 = 16 has one variable.
Pro Tip 3/3

Balance Concept

'Equation' implies a balance. When you alter one side, you must do the same to the other. If you add 2 to one side of the equation, add 2 to the other side too.