The answer was 97 because 7 is two less than 9 and 97 is a prime number.
I believe the answer is 97
It is 97 because I saw it in my teachers math book so you are correct whoever said that it is 97 ๐คฉ๐ฅณ๐๐คช๐๐๐๐๐ฆ๐ผ๐ฐ๐๐ค๐ป๐น๐บ๐ถ๐ฆ๐ฏ๐ฑ๐ป๐ฆ๐ญ๐ผ๐ฎ๐น๐ปโโ๏ธ๐ท๐ฐ๐จ