Answer :

-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