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3u+9-11u=-23

 Feb 5, 2019
 #1
avatar+98129 
+1

3u + 9 -11u = -23   combine like terms on the left side

 

-2u + 9  =   -23       subtract  from both sides

 

-2u = -32           divide both sides by -2

 

u = 16

 

 

cool cool cool

 Feb 5, 2019

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