Judging by the question you have provided I came to the conclusion that you have already solved your own problem!
If the goal is to find X when X=-15 then your answer for X should be -15!
If this is not the entire equation please post the entire one! 
Hope this helped!
-Blake
        
             
        
        
        
1/5 is greater because it equals 0.2
0.2 has an imaginary 0 at the end, to make it 0.20
.20 > 0.15
Therefore, 1/5 is greater than 0.15
        
             
        
        
        
Answer:
100 lol
Step-by-step explanation:
ty for the points! <3
 
        
                    
             
        
        
        
answer:
a. 16.
step-by-step explanation:
32 = 2*2*2*2*2
48 = 2*2*2*2*3
picking out the common factors:
gcf = 2*2*2*2 = 16.
 
        
             
        
        
        
Answer:
Caroline has $5.75 left
Step-by-step explanation:
$25 - Caroline's money
$13 - field trip
$6.25 - lunch 
$25 - ($13 + $6.25)
$25 - $19.25
= $5.75