Respuesta :

Answer:

b=2A-2a

Step-by-step explanation:

First you subtract a to the other side.

Then you divide by 2.

SO it will be b=2A-2a which is your answer
A = a+b/2

*subtract a from both sides*

A-a =b/2

*multiply both sides by 2*

2(A-a)=b

*distribute*

b=2A-2a

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