\[\left\{ \begin{matrix} x + y = 5\ \ \ \\ y = 2x + 2 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ }\left\{ \begin{matrix} y = 5 - x\ \ \\ y = 2x + 2 \\ \end{matrix} \right.\ \]
\[y = 5 - x\]
\[x\] | \[1\] | \[2\] | \[3\] | \[4\] |
---|---|---|---|---|
\[y\] | \[4\] | \[3\] | \[2\] | \[1\] |
\[y = 2x + 2\]
\[x\] | \[0\] | \[1\] | \[2\] |
---|---|---|---|
\[y\] | \[2\] | \[4\] | \[6\] |