The number would stay the same because, for example, 6 - 0 can't be 0 so it would be 6.
        
             
        
        
        
Answer:  Three less than a number
Step-by-step explanation: z-3 means the three is subtracted from the unknown number.
<em>An unknown quantity less than three. would be 3 - z or  z < 3</em>
 
        
                    
             
        
        
        
Answer:
Well, 10
Step-by-step explanation:
Because I am SMART
 
        
             
        
        
        
Answer:
$495
Step-by-step explanation:
Money earned for babysitting for 7 hours - $63
Money earned for babysitting for 1hour - 63/7= $9
Money earned for babysitting for 55 Hours = 
$9 × 55 
= $495
 
        
             
        
        
        
Answer:
x=19.998
y=3.333
Step-by-step explanation:
5x+6y=50
-x+6y=26
6y=26+x
x=26-6y
5(26-6y)+6y=50
130-30y+6y=50
130-50=30y-6y
80=24y
y= 3.333
x=26-6y
x=26-(6×3.333)
x=19.998