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Substitutie of combinatie

1. \(\left\{\begin{matrix}-5x-6y=\frac{782}{77}\\5x=-y+\frac{-222}{77}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-6y=\frac{91}{10}-x\\-6x+4y=\frac{-17}{5}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-6y=\frac{-27}{5}-6x\\x+4y=\frac{47}{20}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-2x-3y=\frac{-3}{5}\\-5x=-y+\frac{89}{20}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}3x+3y=\frac{16}{15}\\x-5y=\frac{226}{45}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-3x-y=\frac{5}{3}\\-3x+6y=\frac{-58}{3}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}6y=\frac{-51}{10}+3x\\x+3y=\frac{-13}{10}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}-6x+5y=\frac{-331}{7}\\-x=4y+\frac{431}{14}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-5y=\frac{-48}{19}-x\\-4x-6y=\frac{140}{19}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}6y=\frac{-257}{26}-5x\\-x+y=\frac{-19}{26}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-4x-y=\frac{-21}{13}\\-3x=5y+\frac{-71}{13}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-6x+y=\frac{99}{20}\\-3x=-4y+\frac{29}{5}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-5x-6y=\frac{782}{77}\\5x=-y+\frac{-222}{77}\end{matrix}\right.\qquad V=\{(\frac{-2}{7},\frac{-16}{11})\}\)
2. \(\left\{\begin{matrix}-6y=\frac{91}{10}-x\\-6x+4y=\frac{-17}{5}\end{matrix}\right.\qquad V=\{(\frac{-1}{2},\frac{-8}{5})\}\)
3. \(\left\{\begin{matrix}-6y=\frac{-27}{5}-6x\\x+4y=\frac{47}{20}\end{matrix}\right.\qquad V=\{(\frac{-1}{4},\frac{13}{20})\}\)
4. \(\left\{\begin{matrix}-2x-3y=\frac{-3}{5}\\-5x=-y+\frac{89}{20}\end{matrix}\right.\qquad V=\{(\frac{-3}{4},\frac{7}{10})\}\)
5. \(\left\{\begin{matrix}3x+3y=\frac{16}{15}\\x-5y=\frac{226}{45}\end{matrix}\right.\qquad V=\{(\frac{17}{15},\frac{-7}{9})\}\)
6. \(\left\{\begin{matrix}-3x-y=\frac{5}{3}\\-3x+6y=\frac{-58}{3}\end{matrix}\right.\qquad V=\{(\frac{4}{9},-3)\}\)
7. \(\left\{\begin{matrix}6y=\frac{-51}{10}+3x\\x+3y=\frac{-13}{10}\end{matrix}\right.\qquad V=\{(\frac{1}{2},\frac{-3}{5})\}\)
8. \(\left\{\begin{matrix}-6x+5y=\frac{-331}{7}\\-x=4y+\frac{431}{14}\end{matrix}\right.\qquad V=\{(\frac{17}{14},-8)\}\)
9. \(\left\{\begin{matrix}-5y=\frac{-48}{19}-x\\-4x-6y=\frac{140}{19}\end{matrix}\right.\qquad V=\{(-2,\frac{2}{19})\}\)
10. \(\left\{\begin{matrix}6y=\frac{-257}{26}-5x\\-x+y=\frac{-19}{26}\end{matrix}\right.\qquad V=\{(\frac{-1}{2},\frac{-16}{13})\}\)
11. \(\left\{\begin{matrix}-4x-y=\frac{-21}{13}\\-3x=5y+\frac{-71}{13}\end{matrix}\right.\qquad V=\{(\frac{2}{13},1)\}\)
12. \(\left\{\begin{matrix}-6x+y=\frac{99}{20}\\-3x=-4y+\frac{29}{5}\end{matrix}\right.\qquad V=\{(\frac{-2}{3},\frac{19}{20})\}\)