katie276 katie276
  • 22-11-2017
  • Mathematics
contestada

What is the solution to x-4y=-5 and -x+6y=7

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choixongdong
choixongdong choixongdong
  • 22-11-2017
  x - 4y = -5
-x + 6y = 7
---------------add
       2y = 2
         y = 1

     x - 4y = -5 
  x - 4(1) = -5 
      x - 4 = -5
           x = -1

answer
x = -1 and y = 1
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