Moderate# Parallel Lines and Constants

SATMAT-Y1BKUF

Lines $ p $ and $ q $ are parallel. Line $ p $ is represented by the equation: $ cx -y = b$, where $ c $ and $ b $ are constants.

If line $ q $ has $ x $ -intercept $ \left( b,0 \right) $, then which of the following is a correct equation for line $ q $ ?