Respuesta :

Answer:

Hey there!

7d-6d-9-4

d-13

Answer:

d - 13.

Step-by-step explanation:

7d – 9 – 6d – 4

= 7d - 6d - 9 - 4

= (7 - 6)d - 13

= 1d - 13

= d - 13

Hope this helps!