Respuesta :

Answer:

[C] 16

Explanation:

  • 7x + 8 − 7x + 8

= 7x + 8 + −7x + 8

  • Combine Like Terms

= 7x + 8 + −7x + 8

= (7x + −7x) + (8 + 8)

= 16
It's 16.
It's would be 7x+8-7x+8 the sevens cancel put and you add the 8s. Also rmbr that a positive time a negative is still negative.