Answer:
-6c + 7
Step-by-step explanation:
(This question probably requires bodmas)
9c + 3 = 9c + 3
9c + 3 + 13c = 22c + 3
22c + 3 - 4c = 18c + 3
18c + 3 + 4 = 18c + 7
18c + 7 - 24c = -6c + 7
