Question

What does 6.5n-4n-n equal?

Answer 1

WELCOME TO OPENSTUDY!! :D

Answer 2

Now if you see, here.
n is the only variable so we can directly add and subtract its coefficients.
6.5n-4n-n
6.5n - 5n
1.5n

Understood? :)

Answer 3

Thanks :)

Answer 4

:)