Feb 15­10:49 AM
7x - 2y 14x - 2y
18xy - 18xy
Feb 15­10:49 AM
1
a + 2b
5a + 4b
+
6a3
6a3
Feb 15­10:49 AM
5y
2y - 6
5y
6 - 2y
Feb 15­10:49 AM
2
12x - 7
+
3x - 2
9x - 5
2 - 3x
Feb 15­10:49 AM
3
4
+
7m
5m2
Feb 15­10:49 AM
3
2
m
+
9m + 6
3m + 2
Feb 15­10:49 AM
a
6 - 3a
7
a2 - 4
Feb 15­10:49 AM
4
Feb 15­10:49 AM
5