y is multiplied by 5 and result is subtracted by 16

If your query is:

y is multiplied by 5 and the result is subtracted from 16.

Then the solution is:

y is multiplied by 5 = y × 5 

Result is subtracted from 16 = 16 – y × 5 

If your query is:

y is multiplied by 5 and 16 is subtracted from it. 

Then the solution is:

y is multiplied by 5 = y × 5 

16 is subtracted from it = y × 5 – 16

Note: We do not use the words subtracted by.