amsmath: When to use `equation` environment instead of `align`?
42785
align vs equation
9564
How to break long equations while keeping alignment?
82873
Is there an environment that imitates align but displays `textstyle` math?
32032
Gather vs aligned - centered equation with one number
84513
How to align a set of very long equations
21469
Spacing issue for newenvironment wrapper of equation environment
72786
\underbrace and align environment
145224
How to place text as subscript under mathematical operator in equation?
125916
`\hfill`-like spacing in math mode without using `align`
25979
When not to use \ensuremath for math macro?
48158
Selective numbering of equations with align
15762
Are \( and \) preferable to dollar signs for math mode?
68204
How can I label an equation as (*)
130113
Align multiline equation with expression after equal sign
118745
Left aligning and breaking equations in cases environment
15360
Why align and equation environment do not tolerate empty lines?
28906
What are the differences between $$, \[, align, equation and displaymath?