What if an equation had three variables?
The system of an equation having more than one equation is quite common and you can find the use of the variable model in numerous fields. To solve an equation that has three variables, people use to write it and then solve the problem. There are some other factors on which we can classify the equations and the system of linear equation that has one solution can be called consistent. But if you find that it has no solution, you can describe it as inconsistent. The system that has countless number of results can be called dependent and in any other cases you should call it independent. Given below is an example of an equation with three variables: Ax + By + Cz + D = 0.
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