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  • 02-11-2015
  • Mathematics
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The product of 4 and the sum of a number and 12 is at most 16

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Panoyin
Panoyin Panoyin
  • 02-11-2015
    4(x + 12) ≤ 16
4(x) + 4(12) ≤ 16
       4x + 48 ≤ 16
             - 48  - 48
               4x ≤ 32
                4      4
                 x ≤ 8

Solution Set: (8, ∞)
Answer Link

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