Respuesta :

charstar
You need to group the like terms (the terms with the same or no variable) together so it is:

5y-6y-y  +6

Then you combine the like term and it becomes
5y-7y +6
-2y+6
which can also be written as 6-2y

Hope this helps :)
emopeterparker
6-y+5y-6y
  +5y
6-6y-6y
  -6y
6-6y

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