Respuesta :

Answer:

D. -2n - 6 = 9

Step-by-step explanation:

The first step you have to do is the distributive property in the given equation. So, you multiply n and 3 by -2. The resulting equation is -2n - 6 = 9.
D. -2n-6=9 because when you multiply -2•n=-2n and -2•3= -6