Помогите решить систему {4х-2у=-9 {3х-3у=-6
{4x-2y=-9; {-12x+6y=27 {3x-3y=-6; {6x-6y=-12 -6x=15 x=-15/6 x=-5/2 3×(-5/2)-3y=-6 y=-1/2 (x,y)=(-5/2, -1/2) {4×(-5/2)-2×(-1/2)=-9; {-9=-9 {3×(-5/2)-3×(-1/2/=-6; {-6=-6 (x,y)=(-5/2, - 1/2)