+0  
 
0
520
1
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1+7u=25

 Oct 6, 2015
 #1
avatar+130536 
+5

1+7u=25    subtract 1 from both sides

 

7u = 24     divide both sides by 7

 

u = 24 / 7

 

 

 

cool cool cool

 Oct 6, 2015

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