Respuesta :
Answer:
9
Step-by-step explanation:
First, you would reduce the numbers with the greatest common factors. It would be 4 along with 16. Thus, getting 6-4+21/3.
Secondly, using that same equation, you would would divide 21 into 3, getting 6-4+7.
Lastly, you would calculate the sum and/or the difference. After subtracting 6 from 4, and adding 2 into 7, you would get 9 as your answer. Hope this helps!