Answer:
5 7/8c + 7
Explanation:
2 3/4 c and 3 1/8c can be combined because they both have the same variable.
7 cannot be combined because it does not have a variable.
2 3/4c + 3 1/8c = 5 7/8c
therefore leaving the equation to be simplified from 2 3/4c + 3 1/8c +7 to
5 7/8c+7
Hope this helps! :)