Respuesta :

Answer:

-5.4c

Step-by-step explanation:

We're combining two "like" terms here.

It may make the problem easier to visualize if we write one of these terms over the other, as follows:

-2.6c

- 2.8c

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Adding, we get:

-2.6c

- 2.8c

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- 5.4c (answer)