Question

What does 5b+7z+b-9-8b equal

Answer 1

$5b+7z+b-9-8b\\\\\sf Rearrange~the~terms\\\\5b+b-8b+7z -9\\\\Factor~out~b\\\\b (5+1-8)+7z-9\\\\Simplify\\\\b (-2)+7z-9\\\\Final~answer~is\\\\\boxed {-2b+7z-9}$

Answer 2

5b+7z+b−9−8b

=5b+7z+b+−9+−8b

Combine Like Terms:

=5b+7z+b+−9+−8b

=(5b+b+−8b)+(7z)+(−9)

=−2b+7z−9