[tex]x - 2y = 5 \\ 4x + y = 2 \\ \\ x = 5 + 2y \\ 4(5 + 2y) + y = 2 \\ \\ 4(5 + 2y) + y = 2 \\ 20 + 8y + y = 2 \\ 9y = 2 - 20 \\ 9y = - 18 \\ y = - 18 \div 9 \\ y = - 2 \\ \\ x = 5 + 2y = 5 + 2 \times ( - 2) = 5 - 4 = 1 \\ \\ Ответ: \: (1 \: ; \: - 2)[/tex]