Combinatie
\(\left\{\begin{matrix}8y=88-8x\\6x-2y=10\end{matrix}\right.\)
\(\left\{\begin{matrix}8y=88-8x\\6x-2y=10\end{matrix}\right.\\ \Leftrightarrow \left\{\begin{matrix}8x+8y=88\\6x-2y=10\end{matrix}\right.\text{(Niet verplichte stap, proper schrijven)}\\ \Leftrightarrow \left\{\begin{array}{c|c|c}8x+8y=88& \color{red}{3.} & \color{blue}{1.} \\6x-2y=10& \color{red}{-4.} & \color{blue}{4.} \end{array}\right.\\ \Leftrightarrow \left\{\begin{matrix} \color{red}{\underline{24x-24x}+24y+8y=264-40} \\ \color{blue}{8x+24x\underline{+8y-8y}=88+40} \end{matrix}\right.\\ \Leftrightarrow \left\{\begin{matrix}32y=224 \\32x=128\end{matrix}\right.\\ \Leftrightarrow \left\{\begin{matrix}y=\frac{224}{32}=7 \\x=\frac{128}{32}=4\end{matrix}\right.\\ \qquad V=\{(4,7)\}\)
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