Respuesta :

Answer:

9

Step-by-step explanation:

Assuming x is the multiplication symbol, you would multiply 3 and the other 3 together. This leaves you with 9+7-7. Since 7-7=0 you can just get rid of both sevens completely. Now you are only left with 9.

Answer:

9

Step-by-step explanation:

(3x3)+7-7

9+7-7

16-7

9