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5. In economics equilibrium is defined as the intersection of the graphs of supply and demand. It represents the balance between the amount of product's availability (supply) and also the demand of the public. Consider the two graphs below. The red line with a positive slope represents supply of gaming consoles (XBOX and PlayStation) in the market measured in thousands. The blue line represents demand in thousands. The X- axis is measured in years since 2020. 201 -15 10 5 to a. Write both equations representing demand and supply. (4 points) b. Use Algebra to calculate for the equilibrium or the intersection of supply and demand. Show all the steps. (4 points)