Add: 21b-32+7b-20b+48
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Answer: The answer to this question is given below in the jpg file. I hope you understand this question.:)
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Answered by
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Step-by-step explanation:
21b - 32 + 7b - 20b + 48
21b + 7b - 20b - 32 + 48
28b - 20b - 16
8b - 16
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