Question

Combine like terms 9+18s - 7s

Answer 1

To combine like terms you have to do 18s-7 which would give you 11s
Then you do nothing with the 9
So your answer would be 9+11s

Answer 2

Answer: The answer is 9+11s :)

Step-by-step explanation:

Combine like terms

9+18s-7s

9=11s  so I don't what you mean but in case you want to find  s it will be

11  11

S=9/11