Решите систему уравнений 4х + 3y = 10 ; 2х + 5х =-2

[latex] \left \{ {{4x+3y=10} \atop {2x+5y=-2|*(-2)}} \right. \left \{ {{4x+3y=10} \atop {-4x-10y=4}} \right. |+ \left \{ {{-7y=14} \atop {2x+5y=-2}} \right. \left \{ {{y=-2} \atop {2x-10=-2}} \right. \left \{ {{y=-2} \atop {2x=8}} \right. \left \{ {{y=-2} \atop {x=4}} \right. [/latex] Ответ: [latex](4;-2)[/latex]