8-9n=15 I believe
At least I hope
Answer:

Step-by-step explanation:
We can use substitution to find the value of
:




Hope this helps :)
the answer to it is 24X squared but the answer to your question is both are ok they both give u 12X which is 24X squared the way u wrote it lol
X=12 because 3 times 12 equals 36. if you divide by 3 on both sides you would be left with that