SOLUTION: elimination method 9x-7y=120.5 -36+28y=-482

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Question 630963: elimination method 9x-7y=120.5 -36+28y=-482
Answer by Alan3354(69443) About Me  (Show Source):
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elimination method 9x-7y=120.5 -36+28y=-482
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The 2nd eqn is -4 times the 1st one.
--> dependent
no unique solution