Respuesta :

Answer:

3n-9=18 because the number which is times the 3 is 9

Answer:

The answer is (D) 3n - 9 = 18

Step-by-step explanation:

I'll put all the answers to this test in the captures below, if you want the capture for this question click on the first snapshot. Hope this helps!

Ver imagen isabell101708
Ver imagen isabell101708
Ver imagen isabell101708
Ver imagen isabell101708
Ver imagen isabell101708