Answer:
Step-by-step explanation:
Should be 5,-2 OR NOT 
 
        
             
        
        
        
Answer:
m = 3 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
First add 3 to each side
Then divide each side by 5
Step-by-step explanation:
 5x - 3 = 12
First add 3 to each side
5x-3+3 = 12+3
5x = 15
Then divide each side by 5
5x/5 = 15/5
x = 3
 
        
                    
             
        
        
        
Answer:
x=25
Explanation:
Using the method of cross multiplication and division set up like so,
(100•4.5)/18 will give you 25.
4.5•100=450
450/18=25