davi19 davi19
  • 23-01-2019
  • Mathematics
contestada

Does the following system have a unique solution? Why? 4x+10y=57 2x+5y=38

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towerfully
towerfully towerfully
  • 23-01-2019

Answer:

No

Step-by-step explanation:

4x+10y=57                                    (1)

2x+5y=38                                      (2)


(1)*1;     (2) * (-2), you have


4x+10y =57                                   (1)

-4x-10y =-76                                  (2)


(1)+(2), you have:


0= -=19  (wrong)

The equations do not have the solution .

The system does not have a unique solution.



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