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https://latex.artofproblemsolving.com/3/b/8/3b8a47d5963cfb295842f5c4709599ecd000cc0a.png

 

Guest Oct 23, 2017
edited by Melody  Oct 23, 2017
 #1
avatar+16 
+3

x = - 1 - y  and replace this in the other 3(- 1 - y)=4 - 3y  <=> - 3 - 3y = 4 - 3y  so -3 = 4 is false and we dont have solutions

DimitrisThymaras  Oct 23, 2017
 #2
avatar+16 
+2

Yes you are right There is no x and y!!!

DimitrisThymaras  Oct 23, 2017

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