The Demand Equation for a Certain Brand of GPS Navigator

Essay

The demand equation for a certain brand of GPS Navigator is x + 3p - 765 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is
x - 18p + 390 = 0, where x is the quantity the supplier will make available in the market when the wholesale price is p dollars each. Find the equilibrium quantity and the equilibrium price for the GPS Navigators.
equilibrium quantity __________ units
equilibrium price $ __________