Respuesta :

CouragePabai

Answer:

a=2b

b-a=x

ax=2b²

x=2b²/a

therefore, b-a=2b²/a

Sugercrush

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:(

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