hmorgan01 hmorgan01
  • 25-08-2015
  • Mathematics
contestada

the sum of 4x and 7 is less than or equal to 39

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Panoyin
Panoyin Panoyin
  • 25-08-2015
4x + 7 ≤ 39
      - 7   - 7
      4x ≤ 32
       4      4
        x ≤ 8
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