Hailey142 Hailey142
  • 15-04-2015
  • Mathematics
contestada

solve using substitution 3x+2y=22

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Panoyin
Panoyin Panoyin
  • 16-04-2015
3x + 2y = 22
3x - 3x + 2y = 22 - 3x
2y = 22 - 3x
 2          2
  y = 11 - 1.5x
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