Mattrobb1213 Mattrobb1213
  • 03-11-2014
  • Mathematics
Answered

What is 6-4(6n+7) is greater than or equal to 122?

Answer :

luana
luana luana
  • 03-11-2014
[tex]6-4(6n+7)\ge122\\\\6-24n-28\ge122\\\\-24n\ge122-6+28\\\\-24n\ge143\ \ \ \ |:-24\\\\n\le-6\\\\n\in(-\infty,-6\rangle[/tex]
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