Question 900498
A=bE/R+br, solve for b
Assume the equation is:
{{{A = (bE)/((R+br))}}}; (Brackets make thing easier to understand)
multiply both sides by (R+br)
A(R+br) = bE
AR + Abr = bE
Abr - bE = -AR
Factor out b
b(Ar - E) = -AR
Divide both side by (Ar-E)
b = {{{-(AR)/((Ar-E))}}}