Respuesta :

Answer:

n= 10

Step-by-step explanation:

10-8n= -9n

Add 9n to the -8n and 9n to the -9n

10-1n= 0

Subtract 10 from the 10 and the 0

-1n= -10

Divide both sides by -1

Gets you 10

the answer is probably 10 but dont believe me