Linear System, substitutional method

5x+4y=32
9x-y=33

helppp

Question

07-04-2015
Mathematics

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Linear System, substitutional method

5x+4y=32
9x-y=33

helppp

Respuesta :

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Panoyin Panoyin · Answer 1 · 2015-04-07T02:09:49+02:00

5x + 4y = 32 ⇒ 45x + 36y = 288
9x - 1y = 33 ⇒ 45x - 5y = 165
      41y = 123
   41 41
      y = 3
      5x + 4(3) = 32
      5x + 12 = 32
   - 12 - 12
      5x = 20
       5     5
      x = 4
      (x, y) = (4, 3)

Linear System, substitutional method 5x+4y=32 9x-y=33 helppp

Respuesta :

Otras preguntas

Linear System, substitutional method

5x+4y=32
9x-y=33

helppp