How do I reduce the spacing between two equations in LaTeX?

you should use package setspace for the vertical spacing. The distance between two equations is set by the short skips!

How to align math equations LaTeX?

The eqnarray environment lets you align equations so that, for example, all of the equals signs “=” line up. To do this, put ampersand “&” signs around the text you want LaTeX to align, e.g. Each equation can be labelled separately, just put the label command after the relevant equation.

How to break long equation in LaTeX?

For equations longer than a line use the multline environment. Insert a double backslash to set a point for the equation to be broken. The first part will be aligned to the left and the second part will be displayed in the next line and aligned to the right.

How do you put a space between two lines in LaTeX?

How can I change the spacing in my LaTeX document?

sepackage{setspace} after your \documentclass line.
\doublespacing. will make the text of the whole document double spaced.
\onehalfspacing.
\begin{singlespace}
\end{singlespace}
\setstretch{1.25}

What is align in LaTeX?

Aligning Equations (align) The \\ tells LaTeX that you are finished with this line and are on to the next. Notice that there’s no \\ on the last line; the \end{align*} tells LaTeX that you’re finished.

How do I left Align in LaTeX?

4.1 Alignment

Left. Any text in between \begin{flushleft}… \end{flushleft} will be aligned with the left-hand margin, but have a ragged right-hand edge.
Right. The environment \begin{flushright}…
Centre (“Center”) The environment \begin{center}…

How do you go to the next line in an equation in LaTeX?

In general, the command \\ signifies a line break and within the correct math mode environment, it can start a new equation line.