Let x be the original position.
After the first play they gain 9 yards. The position can be represented by
x + 9
After the second play they lose 22 yards. The position can be represented by
x + 9 - 22 = x - 13
Therefore, in total they lost 13 yards.
        
             
        
        
        
Answer:
x(3 + 9) = 3x + 9x = 12x
Step-by-step explanation:
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? can be any number except for 3 or -2 as it is already used in (3,4), (-2,-5)
        
             
        
        
        
1cc means one cubic centimeter. I advise you to look at the letter units