nadiasalma nadiasalma
  • 26-09-2014
  • Mathematics
contestada

how to solve 30-4x2+5=2

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Аноним Аноним
  • 26-09-2014
The answer to this question is 27 because 4 times 2 equals 8 and 30 -8= 22 and 22+ 5= 27.
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VzDeath
VzDeath VzDeath
  • 26-09-2014
30-8x+5=2
 35-8x=2
-35     -35
   -8x=-33
  /-8    /-8
      x=4.125 or x=4 1/8
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