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Substitutie of combinatie

1. \(\left\{\begin{matrix}6x+6y=\frac{-169}{14}\\x=-6y+\frac{-139}{14}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-4x+4y=\frac{62}{39}\\-x=-2y+\frac{-17}{39}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}5x+6y=\frac{59}{4}\\3x=-y+\frac{-1}{4}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-3x+4y=\frac{41}{68}\\2x=y+\frac{-81}{272}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}-5x+y=\frac{56}{13}\\-5x-4y=\frac{101}{13}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-3y=\frac{351}{55}-4x\\-4x+y=\frac{-161}{55}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}x+y=\frac{103}{14}\\-5x-3y=\frac{-333}{14}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}3x-3y=\frac{39}{11}\\-3x+y=\frac{5}{11}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}2y=-3+6x\\4x-y=\frac{1}{2}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}4x+4y=\frac{248}{11}\\-4x+y=\frac{-158}{11}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-x-6y=\frac{11}{4}\\-3x=5y+\frac{27}{8}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-2x-y=\frac{-17}{15}\\-2x=-3y+\frac{-11}{5}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}6x+6y=\frac{-169}{14}\\x=-6y+\frac{-139}{14}\end{matrix}\right.\qquad V=\{(\frac{-3}{7},\frac{-19}{12})\}\)
2. \(\left\{\begin{matrix}-4x+4y=\frac{62}{39}\\-x=-2y+\frac{-17}{39}\end{matrix}\right.\qquad V=\{(\frac{-16}{13},\frac{-5}{6})\}\)
3. \(\left\{\begin{matrix}5x+6y=\frac{59}{4}\\3x=-y+\frac{-1}{4}\end{matrix}\right.\qquad V=\{(\frac{-5}{4},\frac{7}{2})\}\)
4. \(\left\{\begin{matrix}-3x+4y=\frac{41}{68}\\2x=y+\frac{-81}{272}\end{matrix}\right.\qquad V=\{(\frac{-2}{17},\frac{1}{16})\}\)
5. \(\left\{\begin{matrix}-5x+y=\frac{56}{13}\\-5x-4y=\frac{101}{13}\end{matrix}\right.\qquad V=\{(-1,\frac{-9}{13})\}\)
6. \(\left\{\begin{matrix}-3y=\frac{351}{55}-4x\\-4x+y=\frac{-161}{55}\end{matrix}\right.\qquad V=\{(\frac{3}{10},\frac{-19}{11})\}\)
7. \(\left\{\begin{matrix}x+y=\frac{103}{14}\\-5x-3y=\frac{-333}{14}\end{matrix}\right.\qquad V=\{(\frac{6}{7},\frac{13}{2})\}\)
8. \(\left\{\begin{matrix}3x-3y=\frac{39}{11}\\-3x+y=\frac{5}{11}\end{matrix}\right.\qquad V=\{(\frac{-9}{11},-2)\}\)
9. \(\left\{\begin{matrix}2y=-3+6x\\4x-y=\frac{1}{2}\end{matrix}\right.\qquad V=\{(-1,\frac{-9}{2})\}\)
10. \(\left\{\begin{matrix}4x+4y=\frac{248}{11}\\-4x+y=\frac{-158}{11}\end{matrix}\right.\qquad V=\{(4,\frac{18}{11})\}\)
11. \(\left\{\begin{matrix}-x-6y=\frac{11}{4}\\-3x=5y+\frac{27}{8}\end{matrix}\right.\qquad V=\{(\frac{-1}{2},\frac{-3}{8})\}\)
12. \(\left\{\begin{matrix}-2x-y=\frac{-17}{15}\\-2x=-3y+\frac{-11}{5}\end{matrix}\right.\qquad V=\{(\frac{7}{10},\frac{-4}{15})\}\)