In algebra an equation can be defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value. Thats what equations are all about- equating one quantity with another. The formula is easy.
Example of an Equation.
To do this we use what is called a system of linear equations. An algebraic equation can be defined as a mathematical statement in which two expressions are set equal to each other. The version of MathCAD you use is depends on the type of computer you have and what you have available. Here is another equation.