Question

find k ,so that x=3 is a solution of the equation Kx +8=x-7

Answer 1

3k+8=3-7
3k= -4-8
k=-12/3
k=-3

Answer 2

Hi

Sol.kx+8=x-7

x=3

k*3+8=3-7

3k=-4-8

k=-12/3=-4

THANKS....