-3
Explanation
Step 1
when you have two equations with two unknown values , the solution of the system is the point where the lines intersect each other
,Here we have two points
[tex]\begin{gathered} (-4,-3) \\ \text{and} \\ (-1,0) \\ \end{gathered}[/tex]So, when x-values is -4, y = -3
I hope this helps you