Friends check whether this ans is correct or not
Attachments:
Answers
Answered by
1
Answer:
Yes this is correct.
Step-by-step explanation:
Because 21b+7b=28b
and then 28b-20b=8b
Hence the correct answer is 8b-32
Answered by
1
Answer:
your answer is correct
Step-by-step explanation:
21b - 32 + 7b -20b
= (21 + 7 - 20)b -32
= 8b - 32
The simplified expression is 8b - 32.
Similar questions