Stelsels met breuken

Substitutie of combinatie

\(\left\{\begin{matrix}4y=\frac{594}{133}+6x\\-x+y=\frac{120}{133}\end{matrix}\right.\)

\(\left\{\begin{matrix}4y=\frac{594}{133}+6x\\-x+y=\frac{120}{133}\end{matrix}\right.\qquad V=\{(\frac{-3}{7},\frac{9}{19})\}\)