Question 821843
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Hi,
2x-y = 2
x-2y=18.5   | x = 18.5 + 2y
2(18.5+2y) - y = 2    |You had x  = 18.8 - 2y
  3y = -35
   y = -35/3  and x = -29/6   (18.5 -70/3 = 111/6 - 140/6 = -29/6 )
CHECKING our answer***
 Using 2x - y = 2
   {{{2(-29/6) - (-35/3) = 6/3 = 2}}}