Respuesta :

The Answer Is 3 When You Combine Like Terms
Cerv
2xy - xy - y + 7y - xy
All the "xy" terms can combine.
2xy - xy - xy
(Imagine there is a 1 in front of the variables— 2-1-1=0)
Now you're left with the -y + 7y.
Your answer after combining like terms is 6y.

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