In LaTeX, equations are numbered routinely by default. Nevertheless, there could also be instances whenever you need to reset the equation numbering, for instance, if you find yourself beginning a brand new part or chapter. To do that, you need to use the setcounter{equation}{0} command. This command will reset the equation counter to 0, in order that the following equation might be numbered 1.
Right here is an instance of tips on how to use the setcounter{equation}{0} command: