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Substitutie of combinatie

1. \(\left\{\begin{matrix}-6x-y=\frac{-881}{221}\\-2x+3y=\frac{-77}{221}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}x-5y=\frac{-71}{4}\\-3x=-5y+\frac{63}{4}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}5x+3y=\frac{-11}{6}\\x=-4y+\frac{4}{3}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}5x-4y=71\\-x+y=-13\end{matrix}\right.\)
5. \(\left\{\begin{matrix}-5x+5y=\frac{-35}{6}\\-x=y+\frac{23}{6}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-6y=\frac{-31}{24}+2x\\-x+2y=\frac{-83}{24}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-5x-6y=-24\\-x+4y=\frac{2}{5}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}3x-y=\frac{-77}{16}\\3x=5y+\frac{-397}{16}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-5y=\frac{-252}{85}+6x\\x-y=\frac{-13}{85}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}2y=\frac{-422}{5}-6x\\-6x+y=\frac{464}{5}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-3y=\frac{-193}{10}+4x\\-x-2y=\frac{-31}{5}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-4x-6y=\frac{-224}{65}\\x=-y+\frac{4}{65}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-6x-y=\frac{-881}{221}\\-2x+3y=\frac{-77}{221}\end{matrix}\right.\qquad V=\{(\frac{8}{13},\frac{5}{17})\}\)
2. \(\left\{\begin{matrix}x-5y=\frac{-71}{4}\\-3x=-5y+\frac{63}{4}\end{matrix}\right.\qquad V=\{(1,\frac{15}{4})\}\)
3. \(\left\{\begin{matrix}5x+3y=\frac{-11}{6}\\x=-4y+\frac{4}{3}\end{matrix}\right.\qquad V=\{(\frac{-2}{3},\frac{1}{2})\}\)
4. \(\left\{\begin{matrix}5x-4y=71\\-x+y=-13\end{matrix}\right.\qquad V=\{(19,6)\}\)
5. \(\left\{\begin{matrix}-5x+5y=\frac{-35}{6}\\-x=y+\frac{23}{6}\end{matrix}\right.\qquad V=\{(\frac{-4}{3},\frac{-5}{2})\}\)
6. \(\left\{\begin{matrix}-6y=\frac{-31}{24}+2x\\-x+2y=\frac{-83}{24}\end{matrix}\right.\qquad V=\{(\frac{7}{3},\frac{-9}{16})\}\)
7. \(\left\{\begin{matrix}-5x-6y=-24\\-x+4y=\frac{2}{5}\end{matrix}\right.\qquad V=\{(\frac{18}{5},1)\}\)
8. \(\left\{\begin{matrix}3x-y=\frac{-77}{16}\\3x=5y+\frac{-397}{16}\end{matrix}\right.\qquad V=\{(\frac{1}{16},5)\}\)
9. \(\left\{\begin{matrix}-5y=\frac{-252}{85}+6x\\x-y=\frac{-13}{85}\end{matrix}\right.\qquad V=\{(\frac{1}{5},\frac{6}{17})\}\)
10. \(\left\{\begin{matrix}2y=\frac{-422}{5}-6x\\-6x+y=\frac{464}{5}\end{matrix}\right.\qquad V=\{(-15,\frac{14}{5})\}\)
11. \(\left\{\begin{matrix}-3y=\frac{-193}{10}+4x\\-x-2y=\frac{-31}{5}\end{matrix}\right.\qquad V=\{(4,\frac{11}{10})\}\)
12. \(\left\{\begin{matrix}-4x-6y=\frac{-224}{65}\\x=-y+\frac{4}{65}\end{matrix}\right.\qquad V=\{(\frac{-20}{13},\frac{8}{5})\}\)