Respuesta :
Answer:
-15a-10b-30c
Step-by-step explanation:
(-8a-5a-10c)-(2a+10b+20c)
(-13a-10c)-(2a+10b+20c)
(-13a-10c)-2a-10b-20c
-15a-10b-30c
Answer:
-15a-30c-10b
Step-by-step explanation:
(-8a-5a-10c)-(2a+10b+20c)
(-13a-10c)-2a-10b-20c
-13a-10c-2a-10b-20c
-15a-30c-10b