Answer: 23
Step-by-step explanation:
PEMDAS
(parenthesis, exponents, multiplication, division, addition, subtraction)
1. Subtract 11 and 2. You'll get the answer of 9.
2. Add 14 and 9 together. You'll get the answer of 23.
You're work should look like this...
11 - 2 = 9 + 14 = 23
I hope this helps! <3