For the Pair of Supply-And-Demand Equations, Where X Represents the Quantity

Essay

For the pair of supply-and-demand equations, where x represents the quantity demanded in units of 1,000 and p is the unit price in dollars, find the equilibrium quantity and the equilibrium price.
2x + 2p - 56 = 0 and 5x - 4p + 40 = 0
equilibrium quantity __________ units
equilibrium price $ __________