Two lines x+y=2x+y=2x+y=2 and x−y=4x-y=4x−y=4 intersect at point PPP. What are the coordinates of PPP?
(3,−1)(3, -1)(3,−1)
(1,1)(1, 1)(1,1)
(2,0)(2, 0)(2,0)
(3,1)(3, 1)(3,1)