Respuesta :

Answer:

=> 6x + 15 + 9x - 10x - 8

=> 6x + 9x - 10x + 15 - 8

=> 5x + 7

Hence, correct answer is 5x + 7.

Answer:

5x + 7

Step-by-step explanation:

6x + 9x + 15 - 10x - 8

6x + 9x - 10x + 15 - 8

6x + 9x - 10x + 7

15x - 10x + 7

5x + 7