Respuesta :

Answer:

10c - 2

Step-by-step explanation:

Answer:

B. 10c + - 2

Step-by-step explanation:

(7c + 2) - (-3c + 4)

(7c + 2) - (-3c - 4)

7c + 2 + 3c - 4

10c + 2 - 4

10c - 2