for which value of k the system of equation 7x-5y-4=0and 14x+ky=-1 have one solution and no solution
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for one solution ,7/14 is not equal to -5/k
-5/k is not equal to 7/14=1/2
k is not equal to -5×2=10
-5/k is not equal to 7/14=1/2
k is not equal to -5×2=10
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