Question 379755
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Hi
solving by elimination method:  
  9x-9y= 9
  7y-3x=-5
 
  9x- 9y  =9
 -9x +21y = -15
      12y = -6
        y = -(1/2)
solving for x
  7y-3x=-5 
  -(7/2) + 5 = 3x 
   3/2 = 3x
   1/2 =  x
CHECKING our answer
 9x-9y= 9/2 - 9(-1/2) = 9/2 + 9/2 = 9