Respuesta :

[tex]-2 = k+7\\-2-7 = k\\-9 = k\\[/tex]

Whenever you move from the left to right or right to left of any linear equations, you have to switch from plus to minus or multiply to division.

Answer:

k= -9

Step-by-step explanation:

-2= k+7

-k= 7+2

-k = 9

k = -9