Respuesta :

Answer:

13m - 5k

Step-by-step explanation:

12m - 5k + m

Combine like terms

13m - 5k

Answer:

Also, the variable in any "like terms" is raised to the same power. For example: 3x and 10x are like terms (both have the variable x, raised to the 1st power).

Step-by-step explanation: