C-12-Q078mediumsingle_mcqIn Example 9, the graphs of 3x−y=3, 5x+y=213x - y = 3,\; 5x + y = 213x−y=3,5x+y=21 intersect at point PPP whose coordinates are —a(3,6)(3, 6)(3,6)b(6,3)(6, 3)(6,3)c(0,3)(0, 3)