Seudónimo Seudónimo
  • 27-03-2016
  • Mathematics
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graph 3x+4y=32 and x-4y=-16

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Panoyin
Panoyin Panoyin
  • 27-03-2016
3x + 4y = 32
   x - 4y = -16
        4x = 16
         4      4
          x = 4
   x - 4y = -16
   4 - 4y = -16
 - 4           - 4
       -4y = -20
        -4      -4
          y = 5
    (x, y) = (4, 5)

Red: 3x + 4y = 32
Blue: x - 4y = -16

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