SOLUTION: collect like terms. 13r+4s-11r-8s

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Question 618129: collect like terms.
13r+4s-11r-8s

Answer by IFY(62) About Me  (Show Source):
You can put this solution on YOUR website!

13r+4s-11r-8s

13r - 11r+ 4s - 8s
2r - 4s