Transcription: In many daily situations, there are lots of things going on at the same time. For instance, in the control room of a television studio, directors might be monitoring several different cameras, microphones, graphics displays, and spotlights. If each of these objects is described by a separate function, then we can say that the director is working with a system of simultaneous equations. Systems of equations are the mathematical basis for the operation of modern electronics devices, from computer chips and circuit boards to the control of industrial, chemical and manufacturing processes. Enginee ...