Definition of dray. : a vehicle used to haul goods; especially : a strong cart or wagon without sides.
The main difference between an equation and a function is the fact that an equation usually deals with a single input, whereas, a function can have numerous inputs. In mathematics, an equation is used to denote the equality between two expressions.
Both make use of numbers and variables, however, the difference lies in their arrangement. This article will highlight the differences between the expression and equation and make it easier for you to pick up an equation from an expression. While an equation is a sentence, an expression is a phrase. For example, âTen is five less than a numberâ is an equation that can be represented by a formula. 10= x-5. On the other hand, a number less than five is a phrase, and hence an expression. If you are given an expression A+2A, you cannot make out anything unless you know the value of the variable A. So, while A+2A is just an expression, A+2A=3A becomes and equation.