Answer:
i think it would be a model.
Step-by-step explanation:
-9d = 63
you divide both side by -9
sooo...
d = -7
Answer: hey im not sure, but i think your supposed to solve 7x-6 and 9+12x. Add these two together and times it by 55. Im not syre if this is right but u could try it.
Answer:
Step-by-step explanation:
Hope it helps