[tex]x - 3y = 8 \\ 2x - y = 6 \\ \\ x = 3y + 8 \\ 2(3y + 8) - y = 6 \\ \\ 6y + 16 - y = 6 \\ 5y = 6 - 16 \\ 5y = - 10 \\ y = - 10 \div 5 \\ y = - 2 \\ \\ x = 3 \times ( - 2) + 8 \\ x = - 6 + 8 \\ x = 2[/tex]
Ответ: ( 2 ; - 2 )
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[tex]x - 3y = 8 \\ 2x - y = 6 \\ \\ x = 3y + 8 \\ 2(3y + 8) - y = 6 \\ \\ 6y + 16 - y = 6 \\ 5y = 6 - 16 \\ 5y = - 10 \\ y = - 10 \div 5 \\ y = - 2 \\ \\ x = 3 \times ( - 2) + 8 \\ x = - 6 + 8 \\ x = 2[/tex]
Ответ: ( 2 ; - 2 )