Respuesta :

Answer:

9x + 1

Explanation:

15x - 7 + 8 - 6x

= (15x - 6x) + (- 7 + 8)

= (9x) + (1)

= 9x + 1

Answer:

9x + 1

Explain : (15x - 6x) + (- 7 + 8)

               9x + 1

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