[OS X TeX] Side by side equations

[Christopher Allen]

>> This is something that puzzled me for ages---how to get side-by-side 
>> equations of the form:
>>
>>               a = b + c           and            d = f + g            
>>         (1a,b)
>>
>> i.e., two equations on the same line with subequation numbering.
>
> The numbering can be done with the amsmath package (or one of the ams 
> document classes). The documentation of the amsmath package has the 
> details. The side-by-side itself can be done with some \text{} 
> commands and a few spacers.

The alignat environment (p.250 of the LaTeX Companion) will give you 
the spacing you want, though I don't know how well that will work with 
the numbering described.

Chris

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