Respuesta :

Answer:

10n-2

Step-by-step explanation:

12n - 8- 2n + 10 - 4 = (12n-2n)+(-8+10-4)

Simplify.

10n-2

Happy learning!

--Applepi101

Answer:

10n - 2

Step-by-step explanation:

12n-8-2n+10-4

Group all the n together and the other numbers together:

12n-2n-8+10-4

10n-2