jprincess1105
jprincess1105 jprincess1105
  • 14-04-2017
  • Mathematics
contestada

-9x +y =17 9x + 9y=19
solve for y equation 1

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texaschic101
texaschic101 texaschic101
  • 14-04-2017
-9x + y = 17
9x + 9y = 19
------------------add
10y = 36
y = 36/10 = 18/5 <==
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