1.x=4,y=-1/2=0.5
X=-4,y=1/2=0.5
X=1/2=0.5,y=-4
X=-1/2=-0.5,y=4
2.x=-3,y=3
X=-4,y=11
Y=3,x=-2
3.x=6,y=1
X=1,y=6
X=radical din 22 -7=-2.30958424,y=-radical din 22 -7=-11.69041576
X=-(radical din 22 +7) =-11.69041576,y=radical din 22 -7 =-2.30958424
X=1,y=6
X=(-11.6904157598),y=(-2.3095842401)
4.x=4/3,-|y-5|+x+2=-9
5,?