the number of goldfish was 7f + 1 and the number of saltwater fish was 22f -6. how many more saltwater fish were there?

Question

i need help solving this question on my homework paper and im just not understanding.

Answer 1

# of saltwater fish - # of goldfish is "how many more saltwater fish than goldfish"

 

So you will subtract one expression from another.  Your answer will be in terms of f.