Math, asked by Aparnashree12, 10 months ago

simplify combining like terms: 21b- 32+ 7b- 20b
plz answer this

Answers

Answered by divitjuneja07

3

Answer:

21b+7b-20b-32

Step-by-step explanation:

=(21+7-20)b-32

=8b-32

Answered by Anonymous

5

8b-32=0

4(2b-8)=0

2b=8

hence b=4........answer

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