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For a certain value of k , the system

x + y + 3z = 10
-4x + 2y + 5z = 7

kx + z = 3

has no solutions. What is this value of k ?

 Mar 22, 2019
 #1
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For a certain value of k , the system

x + y + 3z = 10
-4x + 2y + 5z = 7

kx + z = 3
has no solutions. What is this value of k ?

 

see: https://web2.0calc.com/questions/help_12179#r1

 

laugh

 Mar 22, 2019

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