jaylyn14 jaylyn14
  • 19-11-2020
  • Mathematics
contestada

- 4x + y = 6
- 5x - y = 21
The solution is

Respuesta :

Fl0od
Fl0od Fl0od
  • 19-11-2020

Answer:

x = -3

y = -6

Step-by-step explanation:

[tex]y = 6 + 4x \\ - 5x - (6 + 4x) = 21 \\ - 9x - 6 = 21 \\ - 9x = 27 \\ x = - 3 \\ y = 6 + (4 \times - 3) = - 6[/tex]

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