Graphing the related system means that you do not have to rewrite the equation to set it equal to 0. It is easier because you can just graph each side of the equation.
Sometimes it is difficult to locate the intersection point for the system. You might have to zoom in a lot or figure out how to resize the window. Using the related function lets you focus on the x-axis to find the points.
A mix of spices connected to the roots of palestine. We remember the stories Trace our hands On its maps and walls echoing the thoughts of generations before us -By Fida Islaih