Question 442407
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Hi
-5x+3y= 6
  x- y= 4

-5x+3y= 6
 5x-5y= 20     |Multiplying 2nd Eq thru by 5 to eliminate x
   -2y = 26
     y = -13   and x = -9   (x = y + 4  = -13 + 4= -9)

CHECKING our Answer***
 -5*-9 + 3*-13 = 45 - 39 = 6



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