Frequent Questions about our Solver

The problem

Answer provided by our tutors

It is a linear system of equations, clicking on any particular solution step affords the opportunity to review the logic which is employed. 

It is important to understand that anytime you are solving a system of equations you are answering the basic question "Do the graphs of these equations touch?". They may touch in one point (one solution), no points (no solutions) or an infinite number of points (i.e. the equations define the same line).

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