W = unknown number
7w - 8 = 3    (product of 7 and a number, w, subtract 8) is 3
7w = 11
w = 11/7
        
                    
             
        
        
        
Abby has 7 more grapes because 16-9=7 
        
                    
             
        
        
        
Answer:
3/6 = 4/8
Step-by-step explanation:
they're both halves
 
        
                    
             
        
        
        
Hello,
-9n²+79=-18n
==>9n²-18n-79=0
==>9(n²-2n+1-1)-79=0
==>9(n-1)²-88=0
==>[3(n-1)-2√22][3(n-1)+2√22]=0
==>3(n-1)=2√22 or 3(n-1)=-2√22
==>n-1=2/3*√22 or n-1=-2/3*√22
==>n=1+2/3*√22 or n=1-2/3*√22