Answer :
Here is a substitution problem. By saying c is 4, we can replace anywhere we see c with the number 4.
c = 4
4c - 7.8
= 4(4) - 7.8
= 16 - 7.8
= 8.2
Hope this helps! :)
c = 4
4c - 7.8
= 4(4) - 7.8
= 16 - 7.8
= 8.2
Hope this helps! :)
