1. The solution to the(x+y=1.system of equationssolution to which of the following equations?y = _y is (-3, 4). This solution is NOT a solution to which of the following equations ?

Answer:
Explanation:
Given:
(-3, 4) as a solution to the below system of equations;
[tex]\begin{gathered} x+y=1 \\ x-7=-7 \end{gathered}[/tex]Let's pick each of the given options and evaluate as seen below;
a) Substitute x with -3 and y with 4 and evaluate;
[tex]undefined[/tex]