Respuesta :

SavageRenee
The answer to your question is (1,3) because I graphed it that is where they intersected at. I hope this helps. 
x+y=4
-
x-y=-2
=
2y=6
y=3
x=1. As a result, x+y=4 and x-y= -2 intersect each other at (1,3). Hope it help!