+0  
 
+1
262
2
avatar+60 

I'm doing d = -81 and I don't know what to do to the d

               3                                                                 3

 Nov 26, 2017
edited by Conman13  Nov 26, 2017
 #1
avatar
+2

d/3 = -81   cross multiply

d = -81 x 3

d =-243

 Nov 26, 2017
 #2
avatar+60 
+1

Thanks!

 Nov 26, 2017
edited by Conman13  Nov 26, 2017

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