Respuesta :
Answer:
Step-by-step explanation:
Thanks for the hint
- Use PEMDAS
- Parenthesis,Exponent,Multiplication,Division,Addition,Subtraction
Step 1
3+(-7)+9 Equation/Question
Step 2
3+(-7)+9 Remove parenthesis
3-7+9
Step 3
3-7+9 Add and subtract
-4+9
Step 4
-4+9 Simplify
5
Answer
5
Hope this helps