Respuesta :

10c+13d

Combine like terms :
8c+2c=10c
12d+d=13d

Add them together to from the answer

Answer:

= 10c + 13d

Step-by-step explanation:

= 8c + 12d + d + 2c

= 2c + 8c + 12d + d

= 10c + 12d + d

= 10c + 13d

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