Question

Solve the equation for the given variable.
A=(r+b/2)f
Solve for r

Answer 1

• r = 2A/f - b

Step-by-step explanation:

❁ Hello! ❁

A = (r+b/2)f

r+b/2 = A/f

f(r + b) = 2A

r + b = 2A/f

r = 2A/f - b

Success! ☺️

Answer 2

`\\ \rm\hookrightarrow A=\left((r+b)/(2)\right)f`

`\\ \rm\hookrightarrow (r+b)/(2)=(A)/(f)`

`\\ \rm\hookrightarrow f(r+b)=2A`

`\\ \rm\hookrightarrow r+b=(2A)/(f)`

`\\ \rm\hookrightarrow r=(2A)/(f)-b`