The x-coordinate of the given endpoint will be " ".
".
According to the question,
The end points are:
Distance,
As we know,
The distance formula,
→ 
By substituting the values, we get
→         
→          
→   
→       
→       
→              
                
Thus the above answer is right.  
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Equation: 450 = 128 + 150 + n
work:
1st step:
128+150 = 278
2nd step:
450-278 = 172
answer: 172
3rd step (checking) :
450 = 128 + 150 + 172
450 = 278 + 172
450 = 450
        
             
        
        
        
Answer:
no solution 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
300 i think hope it helps