Question

(b) Find K, so that x = 3 is a solution of the equation Kx + 8 = x-7.​

Answer 1

$kx + 8 = x - 7 \\ k(3) + 8 = 3 - 7 \\ 3k + 8 = - 4 \\ 3k = 4 \\ k = \frac{4}{3}$

Thnx✌️♥️~