Решить систему уравнений методом подстановки -x+2y=4 7x-3y=5

[latex] \left \{ {{-x+2y=4} \atop {7x-3y=5}} \right. \left \{ {{x=2y-4} \atop {7(2y-4)-3y=5}} \right. \left \{ {{x=2y-4} \atop {14y-28-3y=5}} \right. \left \{ {{x=2y-4} \atop {11y=33}} \right. \left \{ {{x=2y-4} \atop {y=3}} \right. [/latex] [latex] \left \{ {{x=2*3-4} \atop {y=3}} \right. \left \{ {{x=2} \atop {y=3}} \right. [/latex]