Answer:

Step-by-step explanation:

: Do cross multiplication

: Multiply the numbers : 4 and 14

Move 3 to right hand side and change it's sign

Subtract 3 from 56

The value of k is 53
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Answer:

Step-by-step explanation:

This is a diffficult question was there a chart
The first two rows of coefficients are identical, so by inspection, the determinant is 0.