Answer:
7 - x/3 or 21 - x
Explanation:
Seven less than the quotient of x and three
7 - x/3
if you need more workings it will be:
make 7 - x/3 a single fraction by finding the LCM of 1 and 3 which is 3 and multiply them by their LCM
(7)3 - (x/3)3
21 - x
Hope this helps