wolfieteauwu
wolfieteauwu wolfieteauwu
  • 23-01-2022
  • Mathematics
contestada

Which system has the best solution as the system below?
x + 3y = 10
-2x - 2y = 4

(1) -x + y = 6 (2) -x + y = 14
2x + 6y = 20 2x + 6y = 20

(3) x + y = 6 (4) x + y = 14
2x + 6y = 20. 2x + 6y = 20

Respuesta :

Mikelife
Mikelife Mikelife
  • 24-01-2022

Answer:

7x + y = 25 – 6x + y = 23: 7x – 6x = x; y – y = 0; 25 – 23 = 2

x = 2

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