Решите систему уравнений \(\begin{cases}5(x+2y) - 3 = x+5, \\ y+4(x -3y) =50. \end{cases}\) (7; –2) (–7; –2) (–7; 2) (7; 2)
Задание

Решите систему уравнений \(\begin{cases}5(x+2y) - 3 = x+5, \\ y+4(x -3y) =50. \end{cases}\)

  • \(7; –2\)
  • \(–7; –2\)
  • \(–7; 2\)
  • \(7; 2\)