The solution to the system of inequalities is the region below both lines.
{"axisType": 3, "coordSystem": {"xmin": -10, "xmax": 10, "ymin": -10, "ymax": 10}, "commands": ["y = (5/3)x - 5", "y = -5"], "latex_expressions": ["$y = \\frac{5}{3}x - 5$", "$y = -5$"]}