hailey2 hailey2

12-02-2015
Mathematics

contestada

Y=7x-24
Y=-3x+16 jakaj

Respuesta :

Panoyin Panoyin

20-02-2015

y = 7x - 24
y = -3x+ 16
2y = 4x - 8
2y = 4x - 8
2 2
y = 2x - 4
2x - 4 = 7x - 24
-2x -2x
   -4 = 5x - 24
    +24    +24
      20 = 5x
      20 = 5x
   5 5
      4 = x
y = 2x - 4
y = 2(4) - 4
y = 8 - 4
y = 4
(x, y) = (4, 4)

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