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Byju's Answer
Standard VIII
Mathematics
Addition of Negative Numbers
The expressio...
Question

The expression 21b - 32 + 7b - 20b on simplification gives


A

24b

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B

32 - 8b

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C

8b + 32

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D

8b - 32

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Solution

The correct option is D

8b - 32


21b - 32 + 7b - 20b

= 21b + 7b - 20b - 32

= 8b - 32


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