Math, asked by Sinmoy, 2 months ago

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

Answers

Answered by Thenavi

1

Answer:

21b-32+7b-20b=8b-32

Answered by s1273sritom7670

1

Answer:

=21b+7b-20b-32

=+ +=+

=28b-20b-32

=+ - =-

=8b-32

Step-by-step explanation:

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