SOLUTION: solve the given systems ofequations by using an appropriate algebraic method. 2x-y=7 and x+y=2

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Question 670076: solve the given systems ofequations by using an appropriate algebraic method. 2x-y=7 and x+y=2
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
x+y=2 0r
2x-y=7
3x = 9
x = 3 and y = -1
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