TeX - LaTeX Stack Exchange is a question and answer site for users of TeX, LaTeX, ConTeXt, and related typesetting systems. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I finally found a way to use automatic line breaking in long math formulas in LyX from the last post in:


I soon realized (when I was making beamer class presentations) that my formula was numbered in the generated PDF. Is there a way to get rid of this numbering without ERT?

share|improve this question
up vote 1 down vote accepted

In the LaTeX preamble, after \usepackage{breqn} and the stuff from the answer I assume you were referring to (not the stuff in the comment), add

share|improve this answer

I have provided a flexible solution of using breqn in LyX at: http://stackoverflow.com/a/28964812/4653863

You can use the starred version of the dmath environment, i.e., dmath* to surround an unnumbered equation which can be created by hitting Ctrl + Shift + M in LyX.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.