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1–3u>10

 Oct 20, 2017
 #3
avatar+95859 
+2

1–3u >  10         subtract 1 from both sides

 

-3u >  9           

 

Divide both sides by -3   and, since we're dividing by a negative, reverse the inequality sign

 

u < -3

 

 

cool cool cool

 Oct 20, 2017

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