12= 12*1
1 *12
2*6
6*2
-2*-6
-6*-2
-12 *-1
-1*-12
3*4
4*3
-3*-4
-4*-3
x-8=12
x=20
y+5=1
y= -4
x-8=1
x=9
y+5= 12
y=7
x-8= 2
x=10
y+5= 6
y= 1
x-8=6
x=14
y+5=2
y=-3
x-8=-2
x= 6
y+5=-6
y= -11
x-8= -6
x=2
y+5= -2
y=-7
x-8=-12
x= -4
y+5= -1
y= -6
x-8= -1
x= 7
y+5= -12
y= -17
x-8=3
x= 11
y+5= 4
y= -1
x-8= 4
x=12
y+5= 3
y=-2
x-8=-3
x=5
y+5=-4
y= -9
x-8= -4
x=4
y+5= -3
y= -8