23 + (-14) + 9 + 5 = 23 - 14 + 9 + 5 = 23 - (14 - 9) + 5 = 23 - 5 + 5 = 23

9 + 75 + 25 + 4 = 9 + 75 + 25 + 4 = 9 + (75 + 25) + 4 = 9 + 100 + 4 = 113

Therefore, (23,9)+(-14,75)+(9,25)+(+5,4) = (23 + 113) = (136, 113)