paulancincarmorevl paulancincarmorevl
  • 01-04-2017
  • Mathematics
contestada

What is a solution for the system of equations x – y = 2 and y = 2x – 4?

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rahmasaleh00
rahmasaleh00 rahmasaleh00
  • 02-04-2017
x-y=2                     y=x-2
y-2x=-4                   y=0
x-2x=2-4
-x=-2
so,x=2                
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