Question

50 БАЛОВ СРОЧНО ПОЖАЛУЙСТА!!​

Answer 1

$5x - 3y = 14 \: \: | \times 2\\ 2x + y = 10 \: \: | \times ( - 5)\\ \\ 10x - 6y = 28 \\ - 10x - 5y = - 50 \\ \\ - 6y - 5y = 28 - 50 \\ - 11y = - 22 \\ 11y = 22 \\ y = 22 \div 11 \\ y = 2 \\ \\ 2x + 2 = 10 \\ 2x = 10 - 2 \\ 2x = 8 \\ x = 8 \div 2 \\ x = 4$

Ответ: г) (4;2)