Un vector B tiene componentes (5, -2). Hallar las coordenadas de A si se conoce el extremo C = (12,-3).

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.