Respuesta :

Answer:

The simple answer is 19.5

Step-by-step explanation:

Let's take it step by step...

3+4=7

7+5=12

12+6=18

18+7=25

25+8=33

33+9= 42

42/2=21

21-3=18

18(3+3)

Ver imagen 31474571

Answer: 9.5

Step-by-step explanation: 3+3 = 9 x 3 = 27, 9/2 = 4/5 - 27 = - 23.5, 3 + 4 = 7 + 5 = 12 + 6 = 18 + 7 = 25 + 8 = 33. 33 + -23.5 = 9.5, Sorry if im wrong