Решите на множестве RxR методом подстановки : 2x-y=1 6x+2y=0

[latex] \left \{ {{2x-y=1} \atop {6x+2y=0}} \right. \\\\ \left \{ {{y=2x-1} \atop {6x+2(2x-1)=0}} \right. \\\\ \left \{ {{y=2x-1} \atop {6x+4x-2=0}} \right.\\\\ \left \{ {{y=2x-1} \atop {10x=2}} \right. \\\\ \left \{ {{y=2x-1} \atop {x=0,2}} \right.\\\\ \left \{ {{y=2*0,2-1} \atop {x=0,2} \right. \\\\ \left \{ {{y=0,4-1} \atop {x=0,2}} \right.\\\\ \left \{ {{y=-0,6} \atop {x=0,2}} \right. \\\\(0,2;-0,6) [/latex]