SOLUTION: find the sum or diffrence of (13x+9y)+11y

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Question 131629: find the sum or diffrence of
(13x+9y)+11y
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%2813x%2B9y%29%2B11y Start with the given equation


%289y%2B11y%29%2B%2813x%29 Group like terms


20y%2B13x Combine like terms