(9b +9) + (4n - 4) + (6d + 2) =
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2 answers:
Answer
4n+6d+9b+7
Explanation
Subtract 4 from 9 to get 5
Add 5 and 2 to get 7
Answer: 9b+4n+6d+7
Step-by-step explanation:
1. 9b+9+4n−4+6d+2
2. 9b+4n+6d+(9-4+2)
3. 9b+4n+6d+7
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