Respuesta :
The value of b is [tex]2(A-a)[/tex]
Given information:
The given expression [tex]A=a+\frac{b}{2}[/tex]
We have to find the value of 'b'
By using basic algebra to find the value of 'b' as,
[tex]A=a+\frac{b}{2} \\A-a=\frac{b}{2} \\2(A-a)=b\\b=2(A-a)[/tex]
Therefore, the value of b is [tex]2(A-a)[/tex]
For further details refer to the link given below:
https://brainly.com/question/953809