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x + y + 3z = 10
-4x + 3y + 5z = 7
kx + z = 3

 Dec 2, 2020
 #1
avatar+114592 
+1

See my answer, here :

 

https://web2.0calc.com/questions/help_93576

 

 

cool cool cool

 Dec 2, 2020

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