Respuesta :

Answer:

n=8/3

Step-by-step explanation:

combine like terms: 30n-80=0

add 80 to both sides: 30n=80

divide by 30: n=80/30

simplify: n=8/3

wyajonathan
10n + 20n - 80=0
30n-80=0
30n=80

Devide by 30 on each side so “n” can stay alone

n = 30
-
80
Reduce by 10 to simpler form

n = 3
-
8
Thats the ans