Example 5.1.10

Solve the following system of equations by graphing:

\begin{equation*} \left\{ \begin{alignedat}{3} x \amp {}-{} \amp 3y \amp {}={} \amp {-12} \\ 2x \amp {}+{} \amp 3y \amp {}={} \amp 3 \end{alignedat} \right. \end{equation*}
Explanation
in-context