Question

what does my teacher mean by "the domains of the solution" ?
[FILE ATTACHED IN COMMENTS]

Answer 1

The domain is just the x value

Answer 2

ok thank you!
im really confuse with this question. I dont want you guys to give me an answer, i kinda just need to know how to set it up iguess?

Answer 3

oh just take your pencil and set up the problem my hint is , you dont know how much Kevin ran but is 4 more than steve

Answer 4

Thats a good start

Answer 5

so would (s+4)+s=26 be acceptable for b)?

Answer 6

or s+4=k and k+s=26 ?

Answer 7

yes

Answer 8

for which? haha

Answer 9

the second one is good

Answer 10

thanks so much! one last question- which variable do i treat as the domain or x?

Answer 11

s

Answer 12

u want to find s