A person sold 100 shares of a stock at a loss of 40%.
selling price for the 100 shares was $3,000
Let the stock was bought at $x then we can write 

Hence Amount paid for the Stock was $5000
 
        
             
        
        
        
A + 2c - 5b - c + a - b
We're gonna have to combine like terms.
(a+a)+(-5b-b)+(2c-c)
2a-6b+c This is your answer
        
             
        
        
        
Step-by-step explanation:
g(x)=3x+5
g(-3)=3(-3)+5
 =-9+5
 =-4