Respuesta :
Answer:
-b
Step-by-step explanation:
b-a
=b-2b [a=2b]
=-b
note: This is what I think the answer might be but it looks too easy to be correct so i might be wrong:(
Answer:
-b
Step-by-step explanation:
b-a
=b-2b [a=2b]
=-b
note: This is what I think the answer might be but it looks too easy to be correct so i might be wrong:(