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

Hi,

   x+y=2   0r  y=+2-x

2x-y=7

   3x = 9

    x = 3  and y = -1