Answer:
 and
    and    
Step-by-step explanation:
Given
[Correct Question]


Required
Solve using elimination
First, we eliminate x.
Subtract equation (1) from (2)




Divide through ny 7

Take 
Make x^2 the subject

Substitute 4 for y



Take square roots


 
        
             
        
        
        
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Awesome 
Intelligent 
Eraser 
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Textbook 
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