Please Help!!!! Solve For L

[tex] \tt B = L - L a f[/tex]
By taking L common from [tex] \tt (L - L a f)[/tex], we get :
[tex] \tt : \implies B = L(1 - a f)[/tex]
[tex] \tt : \implies \dfrac{B}{(1 - a f)} = L[/tex]
[tex] \tt : \implies L = \dfrac{B}{1 - a f}[/tex]
Hence, value of [tex] \tt L = \dfrac{B}{1 - a f}[/tex]