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Substitutie of combinatie

1. \(\left\{\begin{matrix}-6y=0-5x\\x+y=\frac{-11}{12}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-6x+y=\frac{327}{8}\\6x=-6y+\frac{-195}{4}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}3x-6y=\frac{2121}{19}\\-x-4y=\frac{1459}{19}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}2x+4y=\frac{-36}{323}\\-x=3y+\frac{103}{323}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}3x-y=\frac{-253}{39}\\2x+3y=\frac{55}{13}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-2x+4y=\frac{38}{17}\\-x=-y+\frac{1}{17}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-3y=-77-6x\\4x+y=\frac{-175}{3}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}x-3y=-6\\6x=4y+\frac{32}{3}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-3y=\frac{139}{4}+5x\\-2x+y=\frac{71}{4}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}-y=\frac{-31}{6}+2x\\4x+6y=3\end{matrix}\right.\)
11. \(\left\{\begin{matrix}x-4y=\frac{-30}{11}\\-5x+3y=\frac{82}{11}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}5y=\frac{-1395}{104}+x\\3x-5y=\frac{1715}{104}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-6y=0-5x\\x+y=\frac{-11}{12}\end{matrix}\right.\qquad V=\{(\frac{-1}{2},\frac{-5}{12})\}\)
2. \(\left\{\begin{matrix}-6x+y=\frac{327}{8}\\6x=-6y+\frac{-195}{4}\end{matrix}\right.\qquad V=\{(-7,\frac{-9}{8})\}\)
3. \(\left\{\begin{matrix}3x-6y=\frac{2121}{19}\\-x-4y=\frac{1459}{19}\end{matrix}\right.\qquad V=\{(\frac{-15}{19},-19)\}\)
4. \(\left\{\begin{matrix}2x+4y=\frac{-36}{323}\\-x=3y+\frac{103}{323}\end{matrix}\right.\qquad V=\{(\frac{8}{17},\frac{-5}{19})\}\)
5. \(\left\{\begin{matrix}3x-y=\frac{-253}{39}\\2x+3y=\frac{55}{13}\end{matrix}\right.\qquad V=\{(\frac{-18}{13},\frac{7}{3})\}\)
6. \(\left\{\begin{matrix}-2x+4y=\frac{38}{17}\\-x=-y+\frac{1}{17}\end{matrix}\right.\qquad V=\{(1,\frac{18}{17})\}\)
7. \(\left\{\begin{matrix}-3y=-77-6x\\4x+y=\frac{-175}{3}\end{matrix}\right.\qquad V=\{(-14,\frac{-7}{3})\}\)
8. \(\left\{\begin{matrix}x-3y=-6\\6x=4y+\frac{32}{3}\end{matrix}\right.\qquad V=\{(4,\frac{10}{3})\}\)
9. \(\left\{\begin{matrix}-3y=\frac{139}{4}+5x\\-2x+y=\frac{71}{4}\end{matrix}\right.\qquad V=\{(-8,\frac{7}{4})\}\)
10. \(\left\{\begin{matrix}-y=\frac{-31}{6}+2x\\4x+6y=3\end{matrix}\right.\qquad V=\{(\frac{7}{2},\frac{-11}{6})\}\)
11. \(\left\{\begin{matrix}x-4y=\frac{-30}{11}\\-5x+3y=\frac{82}{11}\end{matrix}\right.\qquad V=\{(\frac{-14}{11},\frac{4}{11})\}\)
12. \(\left\{\begin{matrix}5y=\frac{-1395}{104}+x\\3x-5y=\frac{1715}{104}\end{matrix}\right.\qquad V=\{(\frac{20}{13},\frac{-19}{8})\}\)