Stelsels met breuken

Substitutie of combinatie

\(\left\{\begin{matrix}-3x+y=\frac{41}{28}\\-2x+4y=\frac{1}{7}\end{matrix}\right.\)

\(\left\{\begin{matrix}-3x+y=\frac{41}{28}\\-2x+4y=\frac{1}{7}\end{matrix}\right.\qquad V=\{(\frac{-4}{7},\frac{-1}{4})\}\)