diawesAnggundrovi diawesAnggundrovi
  • 29-01-2017
  • Mathematics
contestada

System of equation x 3y=9 y=x-1

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wolf1728
wolf1728 wolf1728
  • 02-02-2017
x + 3y = 9
-x + y = -1
X = 3
Y = 2
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