Verified answer

Ответ:

(1;-3)

Объяснение:

Ответ: x=1 ; y=-3

[tex]\left \{ {{x - 3y = 10 \: \: \: \: \: \: \: } \atop {5x + y = 2 \: \: | \times 3}} \right. \\ \\ \left \{ {{x - 3y = 10} \atop {15x + 3y = 6}} \right. + \\ 16x = 16 \\ x = 1 \\ \\ 5x + y = 2 \\ 5 \times 1 + y = 2 \\ 5 + y = 2 \\ y = - 3[/tex]