Respuesta :

Answer:

17c - 2

Step-by-step explanation:

Firstly, add the normal numbers together:

7c + 4 + 10c - 6

4 - 6 = -2

7c + 10c - 2

Now, the two numbers with a c value can be added together:

7c + 10c = 17c

This returns the answer:

17c - 2

Hope this helps!