SOLUTION: Solve by elimination
5r-6s=-7
6r+5s=77
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Question 303790: Solve by elimination
5r-6s=-7
6r+5s=77
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
5r-6s=-7 --> 25r - 30s = -35
6r+5s=77 --> 36r + 30s = 462
----------------------------- Add
61r = 427
r = 7
-------
s = 7
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