Respuesta :

(12+18) + (42-27)

30+15=45

45/5=9
9 is your answer!

Always do whats inside the parentheses

Hello Dezaria. (I love your name) Let's figure this out!

{[(3·4)+18]+[(6·7)-27]} (Multiplication in parenthesis first)
{[ 12 + 18]+[ 42 - 27]} (Parenthesis)
{ 30 + 15 } (Add)
45 / 5
9 (Answer)

Thus, 9 is your answer. 
Feel free to contact me for anymore help. I'll do what I can. Have a nice evening.