Answer: The answer would be b<-9 for the nonsimplified version though.
Explanation:
b+1>-8
first, -1 from each side.
then you will have -9>b
But you are going to divide by a negative number, so you are going to flip the inequality.
( b>-9 )
I remember learning this is like 7th grade haha. Let me know if you have any questions