- A35
- B11
- C49
- D25
Step-by-Step Solution
Bracket first: 12 − 7 = 5, so 30 − 5 = 25. Or remove the brackets by changing signs: 30 − 12 + 7 = 25. (11 forgets to change −7 into +7.)
Answer: D) 25
Remove the brackets and evaluate 30 − (12 − 7).
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