Answer:
A 
Step-by-step explanation:
 it goes down by 9 and left by 3
 
        
             
        
        
        
answer: x = 1/2
<u>explanation</u>
subtract 3x from both sides
4x+8=10
subtract 8 from both sides
4x=2
divide both sides by 4
x=2/4
simplify
x=1/2 OR x=.5
hope i helped!
 
        
                    
             
        
        
        
It’s number 12!!!!! I know it already got answered
        
             
        
        
        
Answer: 17
21-4=17
4+17=21
21+17=38 and so on..
        
             
        
        
        
Answer:
Go to the website below this messages for the answer with step-bij-step explanation
Step-by-step explanation:
https://socratic.org/questions/how-do-you-simplify-b-a-b-a-a-b