Помогите решить систему -3x+y=-1 5x-2y=4

[latex] \left \{ {{-3x+y=-1,|*2} \atop {5x-2y=4.}} \right.\\\left \{ {{-6x+2y=-2,} \atop {5x-2y=4.}} \right.[/latex] ________________ [latex]-x=-2\\ x=2.[/latex]   [latex]\left \{ {{x=2} \atop {-3x+y=-1}} \right.\\\left \{ {{x=2} \atop {-3*2+y=-1}} \right.\\\left \{ {{x=2} \atop {y=-1+6}} \right.\\\left \{ {{x=2} \atop {y=5}} \right.[/latex]   Ответ: [latex](2;5)[/latex]

у =-1+3х 5х - 2(-1 +3х) = 4  5х + 2 - 6х = 4 -1х = 2 : (-1) х = -2 -3* (-2) +у = -1 у= -7       (-2 ; -7)