X-8n=n Neeed heeelp !

Sagot :

x - 8n = n
add 8n to both sides

x = 9n 

is there anything further you need to do with it?
x-8n=n
add 8n to both sdies
x=9n
divide both sdies by 9
x/9=n

x=9n
n=x/9