SOLUTION: determine the best method to solve the system of equations. then solve the system -4x+5y=9, 4x-5y=-7

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Question 697259: determine the best method to solve the system of equations. then solve the system
-4x+5y=9, 4x-5y=-7
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
determine the best method to solve the system of equations. then solve the system
-4x+5y=9
4x -5y=-7
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Add the 2 equations.