Stelsels met breuken

Substitutie of combinatie

\(\left\{\begin{matrix}-4x-4y=\frac{244}{9}\\-x=y+\frac{61}{9}\end{matrix}\right.\)

\(\left\{\begin{matrix}-4x-4y=\frac{244}{9}\\-x=y+\frac{61}{9}\end{matrix}\right.\qquad V=\{(\frac{-19}{3},\frac{-4}{9})\}\)