Hey there!
[tex]4[/tex] → [tex]4[/tex]
"Subtracted" → [tex]-[/tex]
[tex]y[/tex] → [tex]y[/tex]
Now that we got our "key terms" out of the way we have found out what our answer should look like
[tex]y - 4[/tex] or you could say [tex]4-y[/tex]
Good luck on your assignment and enjoy your day!
~[tex]LoveYourselfFirst:)[/tex]