- A20 + 5 + 4
- B20 + 5 − 4
- C20 − 5 + 4
- D20 − 5 − 4
Step-by-Step Solution
A minus sign before a bracket subtracts everything inside: 20 − (5 + 4) = 20 − 5 − 4 = 11.
Answer: D) 20 − 5 − 4
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