Ответ(ы) на вопрос:
Гость[latex] \left \{ {{2x-y=3} \atop {7x+2y=16}} \right. \\ \left \{ {{-y=3-2x} \atop {7x+2y=16}} \right. \\ \left \{ {{y=2x-3} \atop {7x+2(2x-3)=16}} \right. \\ \left \{ {{y=2x-3} \atop {7x+4x-6=16}} \right. \\ \left \{ {{y=2x-3} \atop {7x+4x=16-6}} \right. \\ \left \{ {{y=2x-3} \atop {7x+4x=16+6}} \right. \\ \left \{ {{y=2x-3} \atop {11x=22}} \right. \\ \left \{ {{y=2x-3} \atop {x= \frac{22}{11} }} \right. \\ \left \{ {{y=2x-3} \atop {x= 2}} \right. \\ \left \{ {{y=2*2-3} \atop {x= 2}} \right. \\ [/latex]
[latex]\left \{ {{y=4-3} \atop {x= 2}} \right. \\ \left \{ {{y=1} \atop {x= 2}} \right. \\ \\ \\ x=2~~y=1[/latex]
Не нашли ответ?
Похожие вопросы