Question 838710
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Hi,
2x+5y=18
3x+5y=17  |Subtracting 2nd from 1st EQ to eliminate y
 -x = 1
  x = -1  and y = 4   (-2 + 5y = 18,  5y = 20, y = 4)
CHECKING our answer***
Using: 3x+5y=17 
  -3 + 20 = 17