Respuesta :

Answer:

8.7x - 4.6

Step-by-step explanation:

4.8x - 4.6 + 3.9x

Group like terms

4.8x + 3.9x - 4.6

Add similar elements: 4.8x + 3.9x = 8.7x

Then you get your answer:

8.7x - 4.6