stm02 stm02
  • 07-07-2017
  • Mathematics
contestada

The sum of a number and 81 is greater than the product of -3 and that number

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musiclover10045
musiclover10045 musiclover10045
  • 07-07-2017

x + 81 > -3x

4x+81>0

4x>-81

divide each side by 4

x > -81/4

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