arielpraczko1 arielpraczko1

24-01-2019
Mathematics

contestada

Is this the right answer?

Is this the right answer class=

Respuesta :

MrBillDoesMath MrBillDoesMath

01-02-2019

Hello from MrBillDoesMath!

Answer:

Yes!

Discussion:

a + b= 2a => subtract "a" from both sides

a - a + b = 2a - a => as (a-a) = 0 and (2a-a) = a

b = a (*)

Then from (*) above

b-a = b - b => b-b = 0

b -a = 0

Thank you,

MrB

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