👉 In physics, a dequation is used to represent the relationship between two variables. It is written as: $$ \text{variable 1} = \text{variable 2} + \text{constant} $$ Where variable 1 and variable 2 are the two variables that are being varied, and constant represents a value that remains constant regardless of change in either variable. For example, if you have two quantities: temperature (T) and pressure (P), and you want
