2/18 + 1 2/8 =
1/9 + 10/8 =
1/9 + 5/4 =
4/36 + 45/36 =
49/36 =
1 13/36 <==
        
             
        
        
        
The answer X= -10 y= -5
Hope this is helpful
        
             
        
        
        
The answer is c = 0 
Explanation, see the picture 
 
        
        
        
Thank goodness for you I do not have a credit for the math question mark so I do thank goodness for you I did not know what you did do not answer please please answer answer question answer answer me thank the answer please please answer please please thank thank goodness