Keep change change [keep the first integer change the opperation and change the integer on your number or fraction ... Rember the answer takes the sign of the larger number .
        
             
        
        
        
Answer:
u = 16
Step-by-step explanation:
Given
 u = 12
 u = 12
Multiply both sides by 4 to eliminate the fraction
3u = 48 ( divide both sides by 3 )
u = 16
 
        
             
        
        
        
Answer:
?????
Step-by-step explanation:
 
        
             
        
        
        
+1,-1 and your other would be 1,1