Answer:

16. 7 +9 = r

17. 7 +14 =p

18. n + 12 = 15

19. d +5 = 24

diko po alam yung 20 sory correct answer po yan di ko lang mo mapakita yung solution kase masyadong mahaba.sry

Step-by-step explanation:

#Carryonlearning

dont forget to brainliest me

Answer:

The answer is in the picture.