Solve for xxx and yyy: x2+y2=25x^2 + y^2 = 25x2+y2=25 and x+y=7x + y = 7x+y=7.
(3,4)(3, 4)(3,4) or (4,3)(4, 3)(4,3)
(2,5)(2, 5)(2,5) or (5,2)(5, 2)(5,2)
(0,7)(0, 7)(0,7) or (7,0)(7, 0)(7,0)
(3,5)(3, 5)(3,5) or (5,3)(5, 3)(5,3)