Stelsels met breuken

Substitutie of combinatie

\(\left\{\begin{matrix}-5y=\frac{-13}{33}+5x\\-2x+y=\frac{-257}{165}\end{matrix}\right.\)

\(\left\{\begin{matrix}-5y=\frac{-13}{33}+5x\\-2x+y=\frac{-257}{165}\end{matrix}\right.\qquad V=\{(\frac{6}{11},\frac{-7}{15})\}\)