Find the value of ‘k’, if (-2, 3) is the solution of line y = k - 4x.

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Solution

If (-2,3) is the solution of line then it satisfy the equation
$y = k - 4 x$
$3 = k - 4 (- 2)$
$3 = k + 4 (2)$
$∴ k = 3 - 8$
$∴ k = - 5$

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