brendarobles4211 brendarobles4211
  • 13-02-2015
  • Mathematics
contestada

4(1-3n)-14> 4(2n+3)-9n

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dln
dln dln
  • 13-02-2015
4(1-3n)-14>4(2n+3)-9n
4-12n-14>8n+12-9n
-12n-10>-n+12
-22>11n
-2>n
n<-2
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luana
luana luana
  • 13-02-2015
[tex]4(1-3n)-14>4(2n+3)-9n\ \ \ | omit\ brackets\\\\ 4-12n-14>8n+12-9n\ \ \ | combine\ like\ terms\\\\ -10-12n>-n+12\ \ \ | add\ n\\\\ -11n-10>12\ \ \ | add\ 10\\\\ -11n>22\ \ | divide\ by\ -11\\\\ n<-2\\\\ n\in(-\infty,-2)[/tex]
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