Answer:
What are you trying to find out? Like what do you mean by which one is right?
Step-by-step explanation:
 
        
             
        
        
        
Answer:
|
x
−
2
|
+
1
  is 
(
2
,
1
)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
n = 9
Step-by-step explanation:
3(n+7)=48
distribute
3n +21 = 48
subtract 21 from each side
3n = 48-21
3n = 27
divide by 3
3n/3 = 27/3
n = 9
 
        
             
        
        
        
-3x+6.3=-14.4
-6.3=-6.3
-<u>3x</u>=-<u>20.7</u>
-3      -3
x=6.9