Stelsels met breuken

Substitutie of combinatie

\(\left\{\begin{matrix}-2x+6y=\frac{-694}{85}\\-5x=-y+\frac{-69}{85}\end{matrix}\right.\)

\(\left\{\begin{matrix}-2x+6y=\frac{-694}{85}\\-5x=-y+\frac{-69}{85}\end{matrix}\right.\qquad V=\{(\frac{-2}{17},\frac{-7}{5})\}\)