A System of Equations is used for what purpose?

Systems of equations can be used when trying to determine if you'll make more money at one job or another, taking multiple variables into account, such as salary, benefits and commissions.

Systems of equations are used when solving for two separate variables. In order to solve for two seperate variables, you need two separate equations called a system of equations.

There are different ways of solving system of equations.

These are the graphing method, the substituion method,

and the addition method.