Question

Negative n divided by 10

Answer 1

-n/10

Here, you can only isolate n. (Assuming that it is equal to zero)

-n = 10
n = -10

Or, Lets insert x for what -n/10 is equal to

-n/10 = x

-n = 10x
n = -10x

Answer 2

-n÷10
I can edit it if it's not what your looking for