Question 66265
Solve {{{S = B + 1/2pl}}} for l
{{{S = B + 1/2pl}}} First, subtract B from both sides.
{{{S-B = 1/2pl}}} Now multiply both sides by l
{{{l(S-B) = 1/2p}}} Finally, divide both sides by (S-B).
{{{l = 1/2p(S-B)}}}...and there you have it!