5,2y-8-4,8-2
7,5c+d-8,5c-7,5d
2m-7m+3m
5a-6a+2a-10a
7y+8y-y+5y
abc-bc+2abc+3bc-4abc
11a-16b-18a+9b
5x-3a+6x-4a
4xy+7x-5xy-2x
7a+9b+3b-5a-6b+b
The above examples also contain:
The following operations can be performed