Discover a wealth of knowledge at Westonci.ca, where experts provide answers to your most pressing questions. Get detailed answers to your questions from a community of experts dedicated to providing accurate information. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

-9 + За = ба - 21
I really need help finding the answer to this question​


Sagot :

Answer:

a = 4

Step-by-step explanation:

Ez, I did it where 6a - 3a which is just 3a and added the 21 to the other side. So now it is 12 = 3a which is simply 4.