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