Example 5.2.5

Solve the system of equations using substitution:

\begin{align*} \left\{ \begin{alignedat}{4} x\amp+{}\amp 2y \amp={}\amp 8 \\ 3x\amp-{}\amp 2y \amp={}\amp 8 \\ \end{alignedat} \right. \end{align*}
Explanation
in-context