Answer:
it's true! it's easier to solve for y because there's no coefficient in front of it unlike the second one that has "9y."
 
        
                    
             
        
        
        
Answer: Would it be 10^3m
Step-by-step explanation:
Volume of a rectangular prism = (length x width x height) cubic units.
 
        
             
        
        
        
You can use elimination to solve systems of equations with 3 equations. I know how to solve systems of equatons with 3 equations, but I use a different process, I don't know how to use the elimination method.