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07-05-2020
Mathematics

contestada

What must be added to a+2b to get b-2a

Respuesta :

08-02-2021

Answer:

b-3a?

Step-by-step explanation:

a+2b

you need to make a negative so you would subtract 1-3 = -2 as 1 is less than 3

and you need to add one b in order to get 2b

this should get b-2a

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