Ответ:

[tex]2x + 10y = 26 \\ 4x - 5y = 2 \\ \\ x + 5y = 13 \\ + \\ 4x - 5y = 2 \\ \\ 5x = 15 \\ x = 3 \\ \\ 3 + 5y = 13 \\ 5y = 10 \\ y = 2 \\ \\ (3 \: \: \: \: \: 2)[/tex]