suphanee51 suphanee51
  • 16-09-2017
  • Mathematics
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the absolute value of the sum of -7 and twice a number is 23 . find the number

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Аноним Аноним
  • 16-09-2017
the absolute value of a number is the opposite so -7 = 7

23- 7 = 16 * 2= 32+ 7= 39.

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