Respuesta :
Answer:
d-13
Step-by-step explanation:
We can simplify variables then numbers:
7d - 9 - 6d - 4.
7d - 6d - 9 - 4
d - 9 - 4
d - 13
Answer:
d-13
Step-by-step explanation:
We can simplify variables then numbers:
7d - 9 - 6d - 4.
7d - 6d - 9 - 4
d - 9 - 4
d - 13