a
)
6X
-
2X
=
____________________
b
)
5X
-
X
=
4X
c
)
8X
-
5X
=
3X
d
)
3X
-
2X
=
X
e
)
9X
-
4X
+
____________________
=
7X
f
)
X
+
5X
-
____________________
=
0
g
)
5X
-
3X
+
6X
=
8X
h
)
10X
-
7X
+
3X
=
6X
i
)
2X
-
6X
+
5X
=
X
j
)
3X
+
8X
-
____________________
-
9X
=
-
3X
k
)
4X
-
7X
+
____________________
-
3X
=
-
5
X
