JoySesay
JoySesay JoySesay
  • 14-09-2015
  • Mathematics
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solve the system by elimination {3×+2y=17
4×-2y=4}

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Panoyin
Panoyin Panoyin
  • 14-09-2015
  3x + 2y = 17
  4x -  2y =   4
          7x = 21
           7      7
            x = 3
3(3) + 2y = 17
    9 + 2y = 17
  - 9           - 9
          2y = 8
           2     2
            y = 4
      (x, y) = (3, 4)

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