Respuesta :
Answer:
18a - b - 8c
Step-by-step explanation:
(15a-7b+4c)-(-3a-6b+12c)
(15a - - 3a) + (-7b - - 6b) + (4c - 12c)
18a - b - 8c
Answer:
18a - b - 8c
Step-by-step explanation:
(15a-7b+4c)-(-3a-6b+12c)
(15a - - 3a) + (-7b - - 6b) + (4c - 12c)
18a - b - 8c