SOLUTION: can i get help simplifing this expression (2x+y)+(x-y)

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Question 73046: can i get help simplifing this expression
(2x+y)+(x-y)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Add like terms. To do this, group the similar terms first
%282x%2Bx%29%2B%28y-y%29Now add the like terms. In this problem the parenthesis are used for grouping, they don't serve a purpose. In a sense (a+b)=a+b
3x%2B0y
3xHere's your answer