We need to find the value of y given x is 5.
Very simple!
We take the first equation and plug in "5" into x and solve for y. It is shown below:
[tex]\begin{gathered} y=x-6 \\ \text{if x = 5, then} \\ y=(5)-6 \\ y=5-6 \\ y=-1 \end{gathered}[/tex]
Answer
[tex]y=-1[/tex]
