Answer :
We have the following:
[tex]\begin{gathered} y=-x-6 \\ y=x-4 \end{gathered}[/tex]solving by substitution
[tex]\begin{gathered} -x-6=x-4 \\ x+x=-6+4 \\ 2x=-2 \\ x=-\frac{2}{2} \\ x=-1 \end{gathered}[/tex]The answer is x is equal -1
We have the following:
[tex]\begin{gathered} y=-x-6 \\ y=x-4 \end{gathered}[/tex]solving by substitution
[tex]\begin{gathered} -x-6=x-4 \\ x+x=-6+4 \\ 2x=-2 \\ x=-\frac{2}{2} \\ x=-1 \end{gathered}[/tex]The answer is x is equal -1