Решить систему уравнений любым способом {3x-2y=12 { x+2y=-6

[latex] \left \{ {{3x-2y=12} \atop {x+2y= -6}} \right. =\ \textgreater \ \left \{ {{3x-2y=12}|1| \atop {x+2y= -6}|3| \right.=\ \textgreater \ \left \{ {3x-2y=12} \atop {3x+6y= -18}} \right. =\ \textgreater \ -8y=30[/latex] y=30/-8 у= -3,75 х+2*(-3,75)=-6 х-7,5=-6 х=7,5-6 х=1,5