ItemScaling

We may multiply one equation by a nonzero number. For instance,

\begin{equation*} 2x -4y = 6 \end{equation*}

has the same set of solutions as

\begin{equation*} \frac12(2x-4y=6) \end{equation*}

or

\begin{equation*} x-2y=3\text{.} \end{equation*}
in-context