9
Step-by-step explanation:
We have to use the order of operations PEMDAS.
Parenthesis, exponents, multiplication, division, addition, and subtraction.
We have to divide first.
3÷1=3
9-3/3+1
3÷3=1
Now we have to add.
9-1+1
9+1=10
Now we subtract.
10-1=9
The answer is 9
