(2/x-y) + (12/x+y) = 1 2/x-y+12/x+y=1 14/x=1 x=14 x=14
(6/x-y) - (20/x+y) = -11 6/x-y-20/x-y=-11 -14/x-2y=-11 -1-2y=-11 y=514+5=19
(2/x-y) + (12/x+y) = 1 2/x-y+12/x+y=1 14/x=1 x=14 x=14
(6/x-y) - (20/x+y) = -11 6/x-y-20/x-y=-11 -14/x-2y=-11 -1-2y=-11 y=5
14+5=19