Let x and y be the two numbers. We have:

Subtract the first equation from the second to get

And deduce

The two numbers are 3 and 11.
 
        
             
        
        
        
Answer:
hi! i dont have the answer because i suck at school lol XD but, i actually have the same question! do you know the answer yet?:] sorry to bother you if you dont.
Step-by-step explanation:
 
        
                    
             
        
        
        
They are both SI units of measurements
        
                    
             
        
        
        
Answer:
13 x^2 -6x -9
Step-by-step explanation:
8x^2-4x-3+5x^2-2x-6
Combine like terms
8x^2+5x^2        -4x-2x       -6-3
13 x^2                 -6x             -9