Bluff ratio step solution
I am reading a mathematics book for poker and came across this equation:
$P$ = pot bets
$c$ = frequency player x calls
bluff bet = 1
(pot size)(frequency x folds) = (bluff bet)(frequency x calls)
$P(1-c) = c$
???
$c = P/(P+1)$
I need help to understand the steps between.