simplify combining like terms: 21b- 32+ 7b- 20b
plz answer this
Answers
Answered by
3
Answer:
21b+7b-20b-32
Step-by-step explanation:
=(21+7-20)b-32
=8b-32
Answered by
5
8b-32=0
4(2b-8)=0
2b=8
hence b=4........answer
Similar questions
Physics,
5 months ago
English,
9 months ago
Social Sciences,
9 months ago
Math,
1 year ago
Chemistry,
1 year ago