其它
Which of the following is a solution of $$\begin{cases}x-3=0 \textbackslash\textbackslash{} 3x-2y=7 \end{cases}$$? 
Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Linear Equations with Multiple Variables
$3-3=0$  $3\cdot3-2\cdot1=9-2=7$ 