Question

What is equivalent to 2b+6b

Answer 1

Hi

2b + 6b = 8b

Answer : 4b + 4b = 8 also, so 4b + 4b is equivalent to 2b + 6b


I hope that's help !

Answer 2

Well 2b + 6b = 8b
So anything that equals to 8b is fine.
e.g 5b + 3b

Hope This Helps You!
Good Luck Studying :)