Casiboo925
Casiboo925 Casiboo925
  • 23-09-2016
  • Mathematics
contestada

−6>−30−4x−6>−30-4x. What's the inequality.

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Panoyin
Panoyin Panoyin
  • 23-09-2016
     -6 > -4x - 30 - 6 > -4x - 30
     -6 > -4x - 36 > -4x - 30
  + 4x  + 4x          + 4x
4x - 6 > -36 > -30
    + 6     + 6    + 6
      4x > -30 > -24
       4      4        4
        x > -7.5 > -6
        0 > -x - 7.5 > -x - 6
     7.5 > -x > -x - 6
    -7.5 > x > x + 6

No solution.
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