Am 03.03.2016 um 04:48 schrieb MANUEL ANGEL DOMINGUEZ TORIBIO:
But what I would like to do now y to change the colour or a part of the equation to highlight the part I want the reader to look at.
Have a look at section 9.3 "Colored Boxes" of the Math manual that you find in LyX's help menu.
regards Uwe
