Y=-2x-3 and 7x-5y=-6. solve by substitution
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
Step-by-step explanation:
y = -2x - 3
7x - 5y = -6
7x - 5(-2x - 3) = -6
7x + 10x + 15 = -6
17x = -21
x = -21/17
y =  -2(-21/17) - 51/17
y = 42/17 - 51/17
y = -9/17
(-21/17, -9/17)
 
                                
             
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