cborne cborne
  • 17-03-2015
  • Mathematics
contestada

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

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Panoyin
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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