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Substitutie of combinatie

1. \(\left\{\begin{matrix}x+y=\frac{-47}{15}\\5x=3y+-5\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-4x+6y=-127\\-x+3y=\frac{-241}{4}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-4x+2y=\frac{-358}{165}\\-x+6y=\frac{-832}{165}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}2y=\frac{179}{55}-5x\\x-6y=\frac{-457}{55}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}2y=\frac{-37}{5}+6x\\x-3y=\frac{-33}{10}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-4x+y=\frac{-17}{3}\\3x=-6y+\frac{-55}{4}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-2x+y=\frac{-464}{19}\\-5x-2y=\frac{-1124}{19}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}-6x+3y=\frac{45}{28}\\x=2y+\frac{6}{7}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-2y=\frac{-1698}{247}-6x\\4x-y=\frac{-1018}{247}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}-5x+6y=\frac{873}{209}\\-x-4y=\frac{-1011}{209}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}3x-y=\frac{32}{17}\\5x=2y+\frac{47}{17}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-6x+5y=\frac{-2057}{133}\\x=5y+\frac{1847}{133}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}x+y=\frac{-47}{15}\\5x=3y+-5\end{matrix}\right.\qquad V=\{(\frac{-9}{5},\frac{-4}{3})\}\)
2. \(\left\{\begin{matrix}-4x+6y=-127\\-x+3y=\frac{-241}{4}\end{matrix}\right.\qquad V=\{(\frac{13}{4},-19)\}\)
3. \(\left\{\begin{matrix}-4x+2y=\frac{-358}{165}\\-x+6y=\frac{-832}{165}\end{matrix}\right.\qquad V=\{(\frac{2}{15},\frac{-9}{11})\}\)
4. \(\left\{\begin{matrix}2y=\frac{179}{55}-5x\\x-6y=\frac{-457}{55}\end{matrix}\right.\qquad V=\{(\frac{1}{11},\frac{7}{5})\}\)
5. \(\left\{\begin{matrix}2y=\frac{-37}{5}+6x\\x-3y=\frac{-33}{10}\end{matrix}\right.\qquad V=\{(\frac{9}{5},\frac{17}{10})\}\)
6. \(\left\{\begin{matrix}-4x+y=\frac{-17}{3}\\3x=-6y+\frac{-55}{4}\end{matrix}\right.\qquad V=\{(\frac{3}{4},\frac{-8}{3})\}\)
7. \(\left\{\begin{matrix}-2x+y=\frac{-464}{19}\\-5x-2y=\frac{-1124}{19}\end{matrix}\right.\qquad V=\{(12,\frac{-8}{19})\}\)
8. \(\left\{\begin{matrix}-6x+3y=\frac{45}{28}\\x=2y+\frac{6}{7}\end{matrix}\right.\qquad V=\{(\frac{-9}{14},\frac{-3}{4})\}\)
9. \(\left\{\begin{matrix}-2y=\frac{-1698}{247}-6x\\4x-y=\frac{-1018}{247}\end{matrix}\right.\qquad V=\{(\frac{-13}{19},\frac{18}{13})\}\)
10. \(\left\{\begin{matrix}-5x+6y=\frac{873}{209}\\-x-4y=\frac{-1011}{209}\end{matrix}\right.\qquad V=\{(\frac{9}{19},\frac{12}{11})\}\)
11. \(\left\{\begin{matrix}3x-y=\frac{32}{17}\\5x=2y+\frac{47}{17}\end{matrix}\right.\qquad V=\{(1,\frac{19}{17})\}\)
12. \(\left\{\begin{matrix}-6x+5y=\frac{-2057}{133}\\x=5y+\frac{1847}{133}\end{matrix}\right.\qquad V=\{(\frac{6}{19},\frac{-19}{7})\}\)