candyandy wrote:
I have notice that it is often the case on DS case questions that the test writers will give you an equation with two variables as one condition. The other condition will give you one of the variables and you end up falling into the "C trap". Does anyone know if there is a way to tell that an equation with two variables has only one unique solution? If so, is there to quickly generate the solution besides simple guess and test? Thanks in advance.
Are you talking about questions that
...
