# #StackBounty: #beamer #align #overlays Automate uncovering of lines of an align in beamer

### Bounty: 100

The answer at https://tex.stackexchange.com/a/60692/12212 explains how to uncover lines of a tagged align in Beamer by wrapping the lines in `onslide` commands. It would be nice to have that done automatically without having to manually enter the `onslide` commands for each line of each align. How can I achieve the same result as the following example but without having to manually enter the `onslide` commands each time?

``````documentclass{beamer}

begin{document}

begin{frame}

begin{align}
onslide<1->{abc & = def\}
onslide<2->{ & = ghi\}
onslide<3->{ & = 0.\}
notag
end{align}
vskip-1.5em
end{frame}

end{document}
``````

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