17-03-2015
Mathematics

contestada

2.3x + 1.2 + 2.5x = 9.2 - 4.3x

Respuesta :

Panoyin Panoyin

18-03-2015

2.3x + 1.2 + 2.5x = 9.2 - 4.3x
2.3x + 2.5x + 1.2 = 9.2 - 4.3x
4.8x + 1.2 = 9.2 - 4.3x
+4.3x +4.3x
9.1x + 1.2 = 9.2
   -1.2 -1.2
   9.1x = 8
      9.1    9.1
   x = 0.879120879

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