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Substitutie of combinatie

1. \(\left\{\begin{matrix}-4x-4y=\frac{-218}{35}\\-4x=y+\frac{-361}{70}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-6x+2y=\frac{-119}{8}\\5x=y+\frac{145}{16}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}4x+4y=\frac{47}{7}\\-x=-3y+\frac{205}{28}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}6x+2y=\frac{-13}{10}\\-x=2y+\frac{7}{15}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}2x-4y=\frac{41}{5}\\-4x=y+\frac{-46}{5}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-6y=\frac{26}{45}+4x\\x-4y=\frac{-56}{45}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}6x+3y=\frac{33}{26}\\x+3y=\frac{-157}{26}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}-6x-4y=\frac{-62}{3}\\-x=-y+-4\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-5x+5y=\frac{-205}{7}\\-x+3y=\frac{-125}{7}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}5y=\frac{-302}{105}+4x\\-5x+y=\frac{82}{21}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}2x-6y=\frac{-182}{15}\\x-4y=\frac{-353}{45}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-x-6y=4\\5x=6y+-26\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-4x-4y=\frac{-218}{35}\\-4x=y+\frac{-361}{70}\end{matrix}\right.\qquad V=\{(\frac{6}{5},\frac{5}{14})\}\)
2. \(\left\{\begin{matrix}-6x+2y=\frac{-119}{8}\\5x=y+\frac{145}{16}\end{matrix}\right.\qquad V=\{(\frac{13}{16},-5)\}\)
3. \(\left\{\begin{matrix}4x+4y=\frac{47}{7}\\-x=-3y+\frac{205}{28}\end{matrix}\right.\qquad V=\{(\frac{-4}{7},\frac{9}{4})\}\)
4. \(\left\{\begin{matrix}6x+2y=\frac{-13}{10}\\-x=2y+\frac{7}{15}\end{matrix}\right.\qquad V=\{(\frac{-1}{6},\frac{-3}{20})\}\)
5. \(\left\{\begin{matrix}2x-4y=\frac{41}{5}\\-4x=y+\frac{-46}{5}\end{matrix}\right.\qquad V=\{(\frac{5}{2},\frac{-4}{5})\}\)
6. \(\left\{\begin{matrix}-6y=\frac{26}{45}+4x\\x-4y=\frac{-56}{45}\end{matrix}\right.\qquad V=\{(\frac{-4}{9},\frac{1}{5})\}\)
7. \(\left\{\begin{matrix}6x+3y=\frac{33}{26}\\x+3y=\frac{-157}{26}\end{matrix}\right.\qquad V=\{(\frac{19}{13},\frac{-5}{2})\}\)
8. \(\left\{\begin{matrix}-6x-4y=\frac{-62}{3}\\-x=-y+-4\end{matrix}\right.\qquad V=\{(\frac{11}{3},\frac{-1}{3})\}\)
9. \(\left\{\begin{matrix}-5x+5y=\frac{-205}{7}\\-x+3y=\frac{-125}{7}\end{matrix}\right.\qquad V=\{(\frac{-1}{7},-6)\}\)
10. \(\left\{\begin{matrix}5y=\frac{-302}{105}+4x\\-5x+y=\frac{82}{21}\end{matrix}\right.\qquad V=\{(\frac{-16}{15},\frac{-10}{7})\}\)
11. \(\left\{\begin{matrix}2x-6y=\frac{-182}{15}\\x-4y=\frac{-353}{45}\end{matrix}\right.\qquad V=\{(\frac{-11}{15},\frac{16}{9})\}\)
12. \(\left\{\begin{matrix}-x-6y=4\\5x=6y+-26\end{matrix}\right.\qquad V=\{(-5,\frac{1}{6})\}\)