Definition of dray. : a vehicle used to haul goods; especially : a strong cart or wagon without sides.
Expressions versus Equations. A difference between expressions and equations is what each represents. An expression shows a math relationship. One key to an expression is that there is no solution. An expression does not have an answer. An expression, however, can be evaluated. To evaluate an expression, substitute values for the variables.
An Equation is a mathematical sentence that....Complete information about the equation, definition of an equation, examples of an equation, step by step solution of problems involving equation. Also answering questions like,