Respuesta :

Kx+9=7
Kx=-2 (subtract 9 from both sides)
X=-2/k (divide k from both sides.
Answer:
X= -2/k

Explanation:
Kx+9=7
*subtract 9 from both sides*
Kx= -2
*divide both sides by k*
Kx/k = -2/k
*divide -2 by k*
X= -2/k