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  • 25-05-2017
  • Mathematics
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-2x + 3y=-1 2x + 5y=25 elimination

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Аноним Аноним
  • 25-05-2017
-2x + 3y=-1
 2x + 5y=25
------------------add
8y = 24
  y = 3

-2x + 3y =-1 
-2x + 3(3) =-1 
-2x + 9 = -1
-2x = -10
   x = 2

answer
x = 2 and y = 3 or (2,3)

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