SOLUTION: 2x+-y= 3 -2x+5y= 7

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Question 451200: 2x+-y= 3
-2x+5y= 7
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Solving by elimination

2x+-y= 3

-2x+5y= 7



10x-5y= 15

-2x+5y= 7

  8x = 22

   x = 22/8 = 11/4  and y = 5/2     y = (11/2 - 6/2)

Ordered pair(11/4,5/2) is the solution for this system

CHECKING our Answer***

 -2x+5y= 7

  -11/2 + 25/2 = 14/2 = 7