Respuesta :

Combine like terms

10/7k + 2/7k = 12/7k - 2k = 12/7k - 14/7k = -2/7k

11/7 + 2/7 - 6 = 13/7 - 42/7 = -29/7

-2/7k - 29/7 should be your answer

hope this helps