Question

if kx-7y=3 and 2x-28y=7 are inconsisitent then k =
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Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(kx-7y=3)×4

4kx-28y=12......(1)

and 2x-28y=7.....(2)

(1) -(2)

4kx-2x-0=5

2x(2k-1) =5

2k-1 =5÷2x

2k=5-2x÷2x

k=5-2x÷4x