Respuesta :

fernpaw

Answer:

k = 4

Step-by-step explanation:

-9 +8k = 7+4k

Subtract 4k from each side

-9 + 4k = 7

Add 9 to each side

4k = 16

Divide by 4

k = 4

Plug in the value you got for k:

-9 + 8(4)  ?  7 + 4(4)

-9 + 32  ?  7 + 16

23  ? 23

23 = 23

fatemehkorea

Answer:

k = 4

Step-by-step explanation:

- 9 + 8k = 7 + 4k

- 9 - 7 = 4k - 8k

- 16 = - 4k

- k = - 16/4

- k = - 4

k = 4