I have an equation of the form

f(x) = E

where E is a long expression. The problem is that the label runs into the right margin.

What is the proper way to fix this?

  • 3
    The proper way is to rewrite the equation to make things fit, possibly spreading E across multiple lines. Without you showing E, this is too broad.
    – Werner
    Feb 1, 2016 at 20:34

1 Answer 1


Use the amsmath package and then

f(x) =\\

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