x
+
y
=
0
−
x
+
y
=
−
8
Consistent and Dependent
Consistent and Independent
Inconsistent
4
x
+
2
y
=
6
4
y
=
−
8
x
+
4
3
x
−
3
y
=
6
−
x
+
y
=
−
2
![x y 0 x y 8 Consistent and Dependent Consistent and Independent Inconsistent 4 x 2 y 6 4 y 8 x 4 3 x 3 y 6 x y 2 class=](https://us-static.z-dn.net/files/d8a/10f896490cb21a4c589f2b27d449f725.png)