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Substitutie of combinatie

1. \(\left\{\begin{matrix}5y=\frac{1684}{209}-6x\\-x+6y=\frac{758}{209}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}2x-6y=\frac{-31}{88}\\x=y+\frac{-53}{176}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-2x-y=\frac{-11}{3}\\-3x=4y+\frac{-43}{6}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-2x+y=\frac{-17}{30}\\3x=4y+\frac{-19}{10}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}4x-2y=\frac{7}{3}\\-6x+y=\frac{-49}{10}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-3x-4y=\frac{-77}{12}\\5x=y+\frac{-39}{4}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-3y=\frac{-31}{26}+6x\\-x-y=\frac{-61}{78}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}-4y=\frac{-577}{35}+5x\\3x-y=\frac{132}{35}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-2y=\frac{-395}{234}-x\\-5x+2y=\frac{967}{234}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}3y=\frac{70}{9}+4x\\x-4y=\frac{-50}{9}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}4x-4y=\frac{-115}{34}\\6x=y+\frac{-185}{68}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}6x-2y=\frac{-542}{57}\\-x=4y+\frac{-41}{171}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}5y=\frac{1684}{209}-6x\\-x+6y=\frac{758}{209}\end{matrix}\right.\qquad V=\{(\frac{14}{19},\frac{8}{11})\}\)
2. \(\left\{\begin{matrix}2x-6y=\frac{-31}{88}\\x=y+\frac{-53}{176}\end{matrix}\right.\qquad V=\{(\frac{-4}{11},\frac{-1}{16})\}\)
3. \(\left\{\begin{matrix}-2x-y=\frac{-11}{3}\\-3x=4y+\frac{-43}{6}\end{matrix}\right.\qquad V=\{(\frac{3}{2},\frac{2}{3})\}\)
4. \(\left\{\begin{matrix}-2x+y=\frac{-17}{30}\\3x=4y+\frac{-19}{10}\end{matrix}\right.\qquad V=\{(\frac{5}{6},\frac{11}{10})\}\)
5. \(\left\{\begin{matrix}4x-2y=\frac{7}{3}\\-6x+y=\frac{-49}{10}\end{matrix}\right.\qquad V=\{(\frac{14}{15},\frac{7}{10})\}\)
6. \(\left\{\begin{matrix}-3x-4y=\frac{-77}{12}\\5x=y+\frac{-39}{4}\end{matrix}\right.\qquad V=\{(\frac{-17}{12},\frac{8}{3})\}\)
7. \(\left\{\begin{matrix}-3y=\frac{-31}{26}+6x\\-x-y=\frac{-61}{78}\end{matrix}\right.\qquad V=\{(\frac{-5}{13},\frac{7}{6})\}\)
8. \(\left\{\begin{matrix}-4y=\frac{-577}{35}+5x\\3x-y=\frac{132}{35}\end{matrix}\right.\qquad V=\{(\frac{13}{7},\frac{9}{5})\}\)
9. \(\left\{\begin{matrix}-2y=\frac{-395}{234}-x\\-5x+2y=\frac{967}{234}\end{matrix}\right.\qquad V=\{(\frac{-11}{18},\frac{7}{13})\}\)
10. \(\left\{\begin{matrix}3y=\frac{70}{9}+4x\\x-4y=\frac{-50}{9}\end{matrix}\right.\qquad V=\{(\frac{-10}{9},\frac{10}{9})\}\)
11. \(\left\{\begin{matrix}4x-4y=\frac{-115}{34}\\6x=y+\frac{-185}{68}\end{matrix}\right.\qquad V=\{(\frac{-3}{8},\frac{8}{17})\}\)
12. \(\left\{\begin{matrix}6x-2y=\frac{-542}{57}\\-x=4y+\frac{-41}{171}\end{matrix}\right.\qquad V=\{(\frac{-13}{9},\frac{8}{19})\}\)