Stelsels met breuken

Substitutie of combinatie

\(\left\{\begin{matrix}x-2y=\frac{-169}{70}\\-6x-2y=\frac{213}{35}\end{matrix}\right.\)

\(\left\{\begin{matrix}x-2y=\frac{-169}{70}\\-6x-2y=\frac{213}{35}\end{matrix}\right.\qquad V=\{(\frac{-17}{14},\frac{3}{5})\}\)