One answer could be 2 as 2^2 is 4 and 2+2 also equals 4
Answer:

Step-by-step explanation:

Your answer would be x-4=17.
4 less than (#) is 17.
That number would be 21.
21-4=17
Hope that helps
Answer:
Step-by-step explanation:
Ya got to go $660 + 7% hours later on $450 hours later 00.578 to finish