Решите систему уравнений {2x-y+6=0{x+4y-10=0

[latex] \left \{ {{2x-y+6=0} \atop {x+4y-10=0}} \right. \left \{ {{8x-4y+24=0} \atop {x+4y-10=0}} \right. [/latex] [latex]9x=14[/latex] [latex]x=- \frac{14}{9} [/latex] [latex] \left \{ {{x=- \frac{14}{9} } \atop {- \frac{14}{9}+4y-10=0 }} \right. [/latex] [latex]- \frac{104}{9}+4y=0 [/latex] [latex]\left \{ {{x=- \frac{14}{9} } \atop {y=- \frac{26}{9} }} \right.[/latex]