Fow x=-1
[tex]\begin{gathered} 2x-7y=11 \\ 2(-1)-7y=11 \\ -2-7y=11 \\ -7y=13 \\ y=-\frac{13}{7} \end{gathered}[/tex]
Fow x=0
[tex]\begin{gathered} 2x-7y=11 \\ 2\cdot0-7y=11 \\ -7y=11 \\ y=-\frac{11}{7} \end{gathered}[/tex]
For x=1
[tex]\begin{gathered} 2x-7y=11 \\ 2\cdot1-7y=11 \\ -7y=9 \\ y=-\frac{9}{7} \end{gathered}[/tex]
