Cevap :
*2 x+y=2
2x-2y=12
+_______
2x+2y=4
2x-2y=12
+_______
4x=16
__ __
4 4
x=4
x+y=2
4+y=2
y=-2
ÇK={(4,-2)}
x+y=2 x2-y2=12 cözüm kümesi?
*2 x+y=2
2x-2y=12
+_______
2x+2y=4
2x-2y=12
+_______
4x=16
__ __
4 4
x=4
x+y=2
4+y=2
y=-2
ÇK={(4,-2)}