Well 3 x 8 = 24 + 7 = 31 so 31/8
        
                    
             
        
        
        
Https://www.wyzant.com/resources/answers/46749/the_sum_of_radical_18_and_radical_72_is
        
             
        
        
        
Answer: Addition Property of Equality
We add 7 to both sides to go from 19 = 2x-7 to 26 = 2x
 
        
             
        
        
        
Answer:
When a point is reflected across the x axis, it has the same x axis but the y axis is multiplied by -1. Think about the x axis as a mirror and the point is projected across the x axis. 
Hence the x coordinate is -1 and the y coordinate is -5. 
Step-by-step explanation: