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Substitutie of combinatie

1. \(\left\{\begin{matrix}-x-5y=\frac{226}{133}\\-5x=-6y+\frac{-389}{133}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}5y=\frac{167}{8}+x\\-4x-3y=\frac{415}{8}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}6x+5y=\frac{47}{4}\\-4x=-y+\frac{-691}{60}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-4x-y=\frac{-2}{3}\\-2x+4y=\frac{26}{3}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}x+4y=\frac{181}{65}\\-3x+6y=\frac{159}{65}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}6x-y=\frac{23}{6}\\-4x-6y=\frac{47}{9}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-6y=\frac{-25}{21}+4x\\x-5y=\frac{-163}{42}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}6y=\frac{1164}{65}+6x\\3x+y=\frac{-742}{65}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}6y=\frac{421}{13}+3x\\-x-2y=\frac{-463}{39}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}5y=\frac{97}{45}+2x\\-x+5y=\frac{61}{45}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-5y=\frac{1045}{104}-5x\\2x-y=\frac{137}{52}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-5x+y=\frac{8}{3}\\-3x=-4y+-29\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-x-5y=\frac{226}{133}\\-5x=-6y+\frac{-389}{133}\end{matrix}\right.\qquad V=\{(\frac{1}{7},\frac{-7}{19})\}\)
2. \(\left\{\begin{matrix}5y=\frac{167}{8}+x\\-4x-3y=\frac{415}{8}\end{matrix}\right.\qquad V=\{(-14,\frac{11}{8})\}\)
3. \(\left\{\begin{matrix}6x+5y=\frac{47}{4}\\-4x=-y+\frac{-691}{60}\end{matrix}\right.\qquad V=\{(\frac{8}{3},\frac{-17}{20})\}\)
4. \(\left\{\begin{matrix}-4x-y=\frac{-2}{3}\\-2x+4y=\frac{26}{3}\end{matrix}\right.\qquad V=\{(\frac{-1}{3},2)\}\)
5. \(\left\{\begin{matrix}x+4y=\frac{181}{65}\\-3x+6y=\frac{159}{65}\end{matrix}\right.\qquad V=\{(\frac{5}{13},\frac{3}{5})\}\)
6. \(\left\{\begin{matrix}6x-y=\frac{23}{6}\\-4x-6y=\frac{47}{9}\end{matrix}\right.\qquad V=\{(\frac{4}{9},\frac{-7}{6})\}\)
7. \(\left\{\begin{matrix}-6y=\frac{-25}{21}+4x\\x-5y=\frac{-163}{42}\end{matrix}\right.\qquad V=\{(\frac{-2}{3},\frac{9}{14})\}\)
8. \(\left\{\begin{matrix}6y=\frac{1164}{65}+6x\\3x+y=\frac{-742}{65}\end{matrix}\right.\qquad V=\{(\frac{-18}{5},\frac{-8}{13})\}\)
9. \(\left\{\begin{matrix}6y=\frac{421}{13}+3x\\-x-2y=\frac{-463}{39}\end{matrix}\right.\qquad V=\{(\frac{7}{13},\frac{17}{3})\}\)
10. \(\left\{\begin{matrix}5y=\frac{97}{45}+2x\\-x+5y=\frac{61}{45}\end{matrix}\right.\qquad V=\{(\frac{-4}{5},\frac{1}{9})\}\)
11. \(\left\{\begin{matrix}-5y=\frac{1045}{104}-5x\\2x-y=\frac{137}{52}\end{matrix}\right.\qquad V=\{(\frac{5}{8},\frac{-18}{13})\}\)
12. \(\left\{\begin{matrix}-5x+y=\frac{8}{3}\\-3x=-4y+-29\end{matrix}\right.\qquad V=\{(\frac{-7}{3},-9)\}\)